Doin a Zack is when you travel to Compton to buy a prostitute for the first time. When you see one to your liking, you pull over and ask how much. She gives you a price and gets in the car. You turn to get the money, and when you turn back to face her, a giant 13-inch dick is staring you in the face. Upon seeing this, you kick that ass out of the car and go home to take a shower.
Mike : Oh my god i had the worst night last night.
Jason : Why, what happened?
Mike : I ended up doin a Zack.
Jason :Wtf is that?
Mike : I wanted to buy a prostitute and take her back to my place to get a hellen keller, but then she wipped out the biggest dick i've ever seen.
Jason : O shit that sucks.
Typically a man with a chip on his shoulder. Originally an Irish term it has now spread internationally.
He likes to make fun of his friends and belittle the weak and vunerable in society. Doing a PJ usually involes calling people names and using racist terms against people.
- He insulted her and called her a jap, talk about Doin'a PJ on it.
- "You are such a mongjaws" - oh stop trying to do a PJ on it.
- He was Doin' a PJ on it when he insulted her family, called her ugly and posted up stuff about her on the web.