Jacks 

A word eshays use for cops

Oi cunt the jacks are coming dack the bud

Jacks by Conesinka August 15, 2018

jacks 

breasts

Look at the jacks on that broad...

jacks by jax July 23, 2003

Jacks 

British slang for £5.

That DVD'll cost you a jacks.

Jacks by Antony December 28, 2005

jacks 

Usually used to buy a certain amount of weed worth £5 but has now been morphed to just plainly mean £5 in London Street language (jafaican)

"Oi rob, have you got enough for the cinema?"
"Nah Fam, I only got a jacks, buck (lend) me a nugget (pound)"

jacks by Fiverdotman April 22, 2007

jacks 

A derogatory term which people from Cardiff use to describe people from Swansea, in South Wales. Etymology: stems from "Swansea Jack" a dog who assited in the saving of several dozens of persons from various drowning situations by barking loudly from the beach/docks and thus drawing the attention of passers-by who were able to really help.

Cardiff supporter: "Fuck me, I can't believe those soddin' Jacks are back in the Championship!"

Graffitti in toilet of The Woodville pub in Cardiff "Kill all Jacks!"

jacks by Mr Snail April 17, 2008

Jacks 

Phone Booth

Yo my nigga imma call up them fly honeys on them jacks

Jacks by NuMbA1StUnTa December 17, 2008

jacks 

another word for pay phones

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

-Big L

jacks by nas February 16, 2005