A trick ass geezer is the term used to insult a male friend who thinks he is "the shit." After being called this he will stop in his tracks, think about the term, and proceed to get offended.
Chris: Dude, I woke up with a hangover this morning and the only thing I was able to do was play Super Smash Brothers!
Mike: Broh, I know that feeling! BEST FEELING EVER!
Maria: Well aren't you guys trick ass geezers!?!
Chris and Mike: -__-