Jacking

When one acts as though they know everything on the subject when in reality they know absolutely nothing on the subject.

Wow, Josh is really jacking right now, he knows nothing about boats.

by LargestPeen June 3, 2018

jacks

another word for pay phones

"Also, cribs is homes, jacks is pay phones
Cocaine is known as candy, cigarettes is bones"

-Big L

by nas February 16, 2005

Jack

Rude. Likes to fight with people. Has a heart only for his best friends.

Hey it jack.

Run

by H&hitl June 3, 2017

Jack

Black.

Jack is black.

by Thetruth666999 July 25, 2016

Jack

A very small and drastically curved penis usually 7 inches or less.

Girl one: "Well why did you break up with him?"

Girl two: "He had a Jack!"

Girl one: "Thats just sad..."

by STiFFBASSiST May 16, 2012

jacks

Another term for an ecstacy pill, from the rhyming slang "jack and jill = pill"

How much are the jacks mate
Got any jacks left mate
Give us 40 jacks mate

by steve downie June 1, 2007

Jacking it

When someone on your team isn't doing there job .

Man this group project is hard i wish justin would stop jacking it.

by Upliftcone October 31, 2017