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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 09, 2003
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2
a common term used by military firefighters, meaning to "dust of the bitch slap" or to "Slap you with the back of one's hand". This is commonly used from one soldier to another if someone says or does something stupid, pushes just the right buttons, or irritates another soldier.
"Soldier, I will jackslap the cowboy piss out of you if I don't get my goddamn newspaper back!"
by Bryan H. September 12, 2006
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3
v. - a severe and often extremely painful beating. Thus usually used only for intimidation purposes
ie.. "if you don't stop that shit I'm gonna jackslap you like a monkey"
by Zman July 18, 2004
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4
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 07, 2004
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5
The act of shoving your index and middle fingers into another persons nostrils, pulling upwards while using your other hand to smack the stretched out nose.
She dumped me after I jackslapped her.
by C&M112509 December 01, 2010
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6
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
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7
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.
by [FP]*PompeyPaul August 20, 2007
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