When a gay man has sex or is involved in sexual activities with a straight or bisexual girl.
Origin: Explo 2009, Matt "Hoffa" Lopez
Person 1: Dude, that guy has been making out with that chick for the last five minutes. I would have sworn he was gay!
Person 2: Yeah, he's definitely gay. Just look at him.
Person 1: Oh, he must be doing the Hoffa.