Definitions by Fiverdotman

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