One of the game quotes in Williams Electronics' Earthshaker! has a woman exclaim, "Ooooh, bitchin'!" This was enough for some parents to complain, and Williams provided a "family" ROM patch to operators as a result.
The profanity ROMs for Terminator 2: Judgment Day have "Fuck You Asshole" as one of the random Database rewards. If it's chosen, The Terminator says exactly that.
Pinball games from Data East Pinball (and their successor, Sega Pinball) would have a solid state flipper board labeled "TY-FFASI" on it. Supposedly, it stood for "Take Your Fucking Flippers And Shove It".