Jack

Adjective:The state of being an immature, arrogant, prick.

Verb: "To pull a jack" is to get way too "handsy" early on in a date. This then followed by a drawn out, idiotic grudge.

"Dude, he was SUCH a Jack last night!"
or
"OMG! He pulled a total jack on our FIRST date! I dumped him"
"Is he still pulling a jack on you? It's been over a year."

Jack by screwyoujack June 15, 2013

Jack

The word Jack is a military term given to an individual who is in the words of Lieutenant Colonel Hewitt of the Australian Army "A bad bloke."
The term Jack is given to someone who is not helping out his mates with tasks and generally being a shit cunt. If an individual is not helping his mates it is said he is "going jack on his mates."
The word Jack is frequently combined with the term Cunt or Fuck to more deeply illustrate the individual's Jackness as well as for added insult. Thus if a mate is being exceedingly Jack he is be called a Jack Cunt or Jack Fuck.

Digger 1 "Oy mate help us out with cleaning the Mag 58"
Digger 2 "Na mate i cant i gonna go have another darb."
Digger 1 "Thats your twelvth darb this hour you are dead set the Jackest Cunt i know.

Old Matey 1 "Oy you coming out on the piss tonight."
Old Matey 2 "No i can't i am too tired."
Old Matey 1 "You fucking Jack Cunt you didn't hit the piss last week either fucking Jack mate."

Pte Johnny "hey you going to Sydney with the boys this weekend."
Pte Jibbs "Yo man i cant i am trying to save money."
Pte Johnny "Oy is your name Jack cause your a fucking Shit Cunt."

Nardella "look at this cunt all jacked up on his own jack what a jack fuck."

Jack by Ninja Mc Stealth Kill July 26, 2010

JACK

Acronym for Just Another Confused Kaffir.

"Hey you JACK, I told you to cut the grass, not kill the grass"

JACK by White Terror January 11, 2013

Jack

Buck teeth looks like a drugo smokes durrys all day everyday

Let's go have a durry with jack

Jack by John terry April 6, 2017

Jack

A person with the name Jack usually has a sexually transmitted disease but is also really good at rapping. They also like to masturbate with vegetables.

Yo, did you here Jack's new rap about asparagus? It's dope!

Jack by xxravioligodxx May 8, 2017

Jack

A piece of shit friend who lies and decieves his friends.

That guy is such a piece of shit that he is a Jack.

Jack by Jwhite2963 December 14, 2017

Jack

A dumb nego fat ass hoe who no one likes best a football but fat as fuck dates girls like Kayla and tay

A not good for enough attention to but and that’s what how not do I you it would help you to if you want wanna was a the same and Jack but

Jack by Stan white June 12, 2018