the act of defecating on a soft platter of sorts, such as a napkin or some paper towels, and holding the contraption while it lies open in the initiators hand. The user then proceeds to slap the victim in the face with the feces in his/her hand.
A: Dude i totally "Jack-Slapped" Steve in the face earlier!
B: Oh snap thats nasty!!!

C: Charlie, "Jack Slapping" Ms.Springs while pulling stick is unacceptable, especially during an exam.
D: Sorry Mom, I promise not to snap again.
by That_dude_down_the_street October 14, 2013
Get the Jack slapping 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.
When you hit a guy in the private area with great force.
*guy gets a jack slap and falls on the floor in great pain*
by sabrina!! January 30, 2014
Get the jack slap mug.