What is Jack In The Kacks?
1.
a person who takes delight in sniggering while masturbating themselves without anyones knowledge and the removal of their trousers
Stevie D enjoys a jack in the kacks during free class in the top study
2.
someone who enjoys fondling their privates (preferably under tables) without the removing of ones trousers
"Here G man stevie D is having another jack in his kacks"