jack slap 

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.

jack slap by Fes October 9, 2003

jack slap 

To beat someone with your jimmy and bust a nut on their face

Get wise son before I hafta Jack Slap you!

jack slap by Dr Feelgood June 7, 2004

JACK SLAP 

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!

JACK SLAP by BIZKITS February 28, 2009

jack slap 

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*

jack slap by sabrina!! January 30, 2014

jack slap 

To slap someone round the head for saying something in jack speak (naval language).

Sam says: "Can I go for a wash?"

LSA Swashbucket replies: "It's a dobey not a wash!"

SLAP!! Sam jack slap's LSA Swashbucket with force round the head.

jack slap by [FP]*PompeyPaul August 24, 2007

Jack-slap 

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

Jack-slap by Dacatoa June 8, 2018

Jack-slap 

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

Jack-slap by Dacatoa June 8, 2018