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The 5 Worst Marketing Fails of 2015 From sickeningly sexist ads to a QR code that accidentally directs to a porn site, here are the gnarliest marketing sins of the year.

Opinions expressed by Entrepreneur contributors are their own.

Bud Light | Facebook

Marketers, be warned: The Internet never forgets. Should you fire off an insulting tweet or an offensive burp of ad copy, accidentally or not, people will see it, save it and try your brand in the brutal court of public opinion.

Five big-name brands learned this lesson the hard way this year, carelessly tarnishing their reputations and fanning a firestorm of negative publicity in the process. The bigger they are, the harder they fall. From sexist ads to a QR code that -- whoops! -- directs to a porn site, here are the worst marketing fails of 2015:

5. IHOP's inappropriate breast humor falls flat on Twitter

We can't believe we have to explain this, but here goes: Equating your product to women's breasts is poor form. IHOP stooped that low last October, when it tweeted out a suggestive image of a centrally butter-dolloped stack of pancakes. Perhaps written by a frat bro fresh out of junior college, it lamely read: "flat but has a GREAT personality."

Related: 3 Marketing Mistakes Business Makes That Hurt the Brand

The international restaurant chain deleted the tweet amid the swift and well-deserved ensuing backlash. Two hours and one minute after the tweet reared its misogynistic head, the company ate humble pie by tweeting this apology: "Earlier today we tweeted something dumb and immature that does not reflect what IHOP stands for. We're sorry." We should hope so.

4. Under Armour makes light of a bloody World War II battle

Dear Under Armour, there is nothing ironic or cute or sporty about the Battle of Iwo Jima. We think it goes without saying that the bloody, 36-day World War II battle, which resulted in thousands of casualties, has zero in common with basketball.

Related: Under Armour Pulls 'Band of Ballers' T-Shirt After Complaints

This fact seemed lost on the athletic apparel retailer when, last May, it issued a T-shirt called "Band of Ballers" depicting the silhouettes of four men erecting a basketball net. The design blatantly recreated the famous photograph showing the U.S. flag being raised in victory after the historic battle. In the wake of a predictable barrage of complaints on its Twitter feed and Facebook page, Under Armour pulled the T-shirt and apologized for the gaffe in a trio of tweets. Still, its public contrition wasn't enough to keep some customers from boycotting the brand.

3. Bud Light's 'Up for Whatever' campaign is a soberingly offensive downer

The marketing mavericks at Bud Light thought it was a swell idea to position the beer as the perfect beverage "for removing "No' from your vocabulary for the night." The creepy slogan appeared on its bottle labels back in April (and, subsequently, everywhere on Reddit) because, hey, everyone's "Up for Whatever," right? Wrong. Which is exactly what it is to imply that Bud Light is the quintessential brew for turning a "no" into a "yes."

Related: Shark Tank Star Daymond John Says This Is the Biggest Branding Mistake of All

As our own Carly Okyle astutely noted, the "line speaks less to spontaneous fun and more to predatory rape culture." Following a thorough trouncing on social media, Bud Light discontinued the label. Then it apologized for the "undisputable facepalm," as its lead marketer put it, in a statement published on Anheuser-Busch's website.

2. Heinz's QR Code accidentally directs to a porn site

How would you react if, by innocently scanning a Heinz ketchup QR code, you were directed to a hardcore porn website? That's exactly what happened to German resident Daniel Korell last June. Turns out that when the scannable barcode campaign expired last year, Heinz didn't renew the connected URL, allowing Fundorado, a German purveyor of porn, to scoop it up.

Related: 3 Lessons from Starbucks' Red Cup 'Controversy'

Korell's understandable response was to inform Heinz that the QR mix-up was not OK. "Your ketchup really isn't for underage people," he wrote on the company's Facebook page. "Even if the bottle was a leftover, it's still in lots of households. It's incomprehensible that you didn't reserve the domain for one or two years. It really doesn't cost the Earth."

Heinz replied with a terse apology to Korell. Latching on to the the free publicity, Fundorado offered Korell a free one-year membership to its live cams, but not before cracking a crude joke we won't retell here.

1. A Bloomingdale's ad creepily suggests spiking your BFF's drink

Perhaps it was a case of swigging too much nog. Whatever the culprit, a shocking image published in Bloomingdale's catalog a month ago inexcusably promoted non-consensual alcohol consumption, and, by extension, non-consensual sex. Likely meant as a lighthearted joke, it was anything but.

Related: Why the Bloomingdale's Ad Was an Inexcusable Marketing Mistake

The picture, which shows a man side-eyeing a woman, eerily reads: "Spike your best friend's eggnog when they're not looking." Understandably, the horrific suggestion -- which falls just short of an endorsement for alcohol-fueled date rape -- sparked disgust and contempt all over social media. Bloomingdale's, of course, was quick to do what all brands that publicly screw up do nowadays. It "sincerely" apologized in 140 characters or fewer on Twitter.

Related: The 5 Worst Twitter Marketing Fails of 2014

Kim Lachance Shandrow

Former West Coast Editor

Kim Lachance Shandrow is the former West Coast editor at Entrepreneur.com. Previously, she was a commerce columnist at Los Angeles CityBeat, a news producer at MSNBC and KNBC in Los Angeles and a frequent contributor to the Los Angeles Times. She has also written for Government Technology magazine, LA Yoga magazine, the Lowell Sun newspaper, HealthCentral.com, PsychCentral.com and the former U.S. Surgeon General, Dr. C. Everett Coop. Follow her on Twitter at @Lashandrow. You can also follow her on Facebook here

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