Private Eye: Sometimes seen in Colemanballs / Commentatorballs, and they also occasionally publish examples of this from newspaper articles (this used to be a much more prevalent feature, back when manual typesetting meant that amusing typos were more common in newspapers).
In the wake of the Anthony Weiner scandal, there has been numerous unintentional (?) innuendo in newspaper headlines. Here's the top 25. When he entered and briefly led the race for New York Mayor in 2013 a whole new series of headlines followed along such lines as "Weiner rises again" and (the non-sexual but punny as hell) "Weiner on a Roll".
At least one news reporter has mispronounced hadron (as in the Large Hadron Collider) as "hard-on". Which, of course, is involved in the search for strange new bosoms. —Bosons.
A common reason for the choice of newspaper clippings on The News Quiz.
The premise of the "Janet and John" stories on Terry Wogan.
The object of fun in Innuendo Bingo, a game on Scott Mills' radio show on BBC Radio 1. Contestants hold a mouthful of water and listen to audio clips laden with accidental innuendo from recent TV or radio, with the challenge being not to crack up and spray themselves or the other unfortunate contestant with water. It tends to get wet.
My Little Pony: Online product descriptions of the toys put certain items in quotation marks to indicate that they can't actually be used as intended (e.g. plastic cake). (This probably has something to do with avoiding lawsuits.) A description with several words in quotation marks may end up sounding like a Hurricane of Euphemisms.
Not to mention they named one of the G2 ponies Morning Glory...
Is there no one else who finds the fuzzy, vibrating 'Tickle Me Elmo hands deeply disturbing? Made even worse for one commercial building up suspense for a new model Tickle Me Elmo where they censored Elmo's body with blurry boxes.
Actually, the voiceover made it worse. With it, it can affect you even if you're not looking at the screen. And they did many variants on the voiceover, all with just the one word spoken by a child. Collected here. How many DiCs was that?