The act of jerking off (typically a man), especially to the point of orgasm.
Originates from the term "jacking off" as well as the similarity of the "cracking" sound from performing it and the opening of usually alcoholic beverage bottles.
It is also a popular perversion of "cracker jack", the brand of caramel corn.
Roommate: "You two were so loud last night! I heard you cracking jack so loud I couldn't get to sleep!"
"Yo, she was cracking jack so hard i almost passed out!"
When somebody is pissing you off
Random guy: your kinda gay. Me: your really jacking my squash right about now
your not getting it back it’s took/stolen
Anna asked for her money back but imma bunk jack
A cheating pile of scum, who thinks he’s the shit. Ruins girls lives and gets cheated on by the girl he cheated with.
You’re such a tyler-jack
basically meaning “You’re a cunt”
In the 80's during the crack cocaine kerfuffle you walk up to the dealer you don's say, "Crack" you might get knocked out. I've seen it so, Instead someone came up with the word "jack" this was the common term being used now. Gimme a few of them jacks man. Now if you got ripped off because someone put planters peanuts in your vial or the fake crack they were selling in the smoke shops back then and sold it to you that person is "Fakin Jacks"
Aww man!! i wouldn't even mess wit him dude be Fakin Jacks
A sexy beast that everyone loves. Whenever you walk past him you just always become so happy. He has a big penis and an even bigger gyat. He is a very good friend, and suprisingly good at cricket. He also is really good at school for a white person. He is also is a ABSOLUTE SMASH.
"Oh my good Jack Lansdown you have a mega gyat"
"Jack Lansdown you look so fine today"