Slap Jacks 

The act of slapping your dicks together until one person gets a boner. The person who gets the boner wins the bet.

Want to play slap jacks to settle the tab.

Slap Jacks by steve smithy April 16, 2011

Slap Jacks 

Another affecionate term for pussy lips. See meat curtians

Girl, I don't care how much maple syrup you put on them cause I aint eating those slap jacks!

Slap Jacks by skin January 30, 2004

bombay slap jack 

1)Go out with mates for a curry
2)Go home to partner
3)take partner's top off
4)shit all over her chest
5)get a dirty shitty tit wank

Danny-Good weekend Jules?
Jules-very good thanks
Danny-what did you get up to?
Jules-had a mean curry and a bombay slap jack!

bombay slap jack by Crazy Wai April 12, 2005

slap jack 

After you are done jacking off, nutt into your hand and then run out of the room and slap your roommate right across the face with your cum filled hand.

Once I was done jacking off, I nutted in my hand and then I ran out and slap jacked my roommate right in the face!

slap jack by Ichi Crowtch January 16, 2008

Oregon Slap Jack 

When you are receiving a blowjob and whip out your dick to start slapping your girlfriend in the face as fast as possible, making a sound like you are flipping flap jacks.

Bro, my girfriend was giving me a blowy last night and I just started doing the Oregon Slap Jack on her for no reason.

Thats phenomenal bro.

Oregon Slap Jack by BigGayScoob March 19, 2016

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

jackson slap

a jackson slap occurs when your bitch gets out of hand, so you grab a wad of twenties and slap her across the chops with it

After Pacman's girlfriend refused to get umbrellas for his "make it rain" party, he jackson slapped that ho to convince her otherwise.

jackson slap by P. Jones June 8, 2007