Its when your about to cum and you jack off, when u ejaculate you cum in your hand then you slap the girl in the face.
SLap the Bitch in the face with your cum in your hand. Thats Jack and Slap
by Cody and Ryan October 3, 2006
Get the Jack and Slap mug.
A very painful karate chop/punch/ bitch slap/ kicked in yo face type of feeling.
by LJ:) March 10, 2009
Get the Jack Rabbit Slap mug.
To strike someone quickly and with great power after initial irritation.
I wanted to straight jack slap that boy when he started frontin on your ass.
by Fes October 9, 2003
Get the jack slap mug.
Slapped so hard you forgot everything you know, I.e., you don't know Jack..Jack-slapped
Person 1: Hey what are you doing?
Person A: Messing with the police.
Person 1: You're going to get Jack-slapped
by Nepuuuu January 1, 2020
Get the Jack-slapped mug.
Present tense for slapping someone so hard they don't know jack diddley

Jack-slapped; past or future tense for slapping someone so hard they don't know jack diddley
1. What if I jack-slap him

2. He just got jack-slapped by his girlfriend dude

3. That boy is gonna get jack-slapped
by Dacatoa May 23, 2018
Get the Jack-slap mug.
To beat someone with your jimmy and bust a nut on their face
Get wise son before I hafta Jack Slap you!
by Dr Feelgood June 8, 2004
Get the jack slap mug.
WHEN YOU JACK OFF IN YOUR HAND, AND THEN SLAP SOMEONE IN THEIR FACE
CHICK PISSED ME OFF, SO I JACK SLAPPED THAT HO AND LEFT!
by BIZKITS February 28, 2009
Get the JACK SLAP mug.