Suggestive words and images are floating around us all the time, usually trying to sell us something or competing to capture our attention for one reason or another. Sometimes the intended message of a sign, advertisement, or slogan is totally eclipsed by an unintentional innuendo, like the time Jersey Mike's Subs tweeted, “how do you top your sub?” The dirty-minded immediately got the “accidental” subtext . Sometimes it's so obvious, it's hard to believe it was a mistake. Like, come on. Are yo…