Slapjack

The action of a naked man shimmying side to side, like a washing machine agitator, causing his dick to thwack against his thighs.

She woke to the dulcet sounds of her husband doing slapjacks by the bed.

by marydelta August 20, 2011

Slapjack

When you masturbate while your girlfriend is asleep and right before your gettting ready to cum slap your girlfriend in the face to wake her up then cum on her face.

My girlfriend was asleep on the couch when I got home from work so I gave her a slapjack.

by DErekd June 16, 2018

Slapjack

Mixed alcoholic beverage originating in Bellingham, WA. Created by mixing one gallon jug of Carlo Rossi Pisano wine, one bottle MD 20/20 Orange Jubilee bum wine, one bottle Andre Extra Dry Champagne, and one can orange concentrate. Serve luke warm.

Damn Joe, you're fucked up! What did you have to drink? - Jesse
Oh, you know. Just a jug of Slapjack! - Joe

by Sugar Shack Boys March 19, 2010

Slapjack

A game in which two people slap the shit out of each other until someone either gives up or dies.

Bro did you hear what happened to Jamal? Apparently his ass lost in a game of slapjack.

by Reckewww01 January 24, 2019

slapjacking

To jack off slowly not with the purpose of ejaculating but with the purpose of getting primed up for your significant other to walk in and finish.

Shook was slapjacking in bed waiting for his girl to come in. She never walked in and the slapjack went to a fulljack.

by Chaitdeezy August 8, 2016

Bombay Slapjack

The act of defecation upon your partner's tits,then.......TITWANK!!!

"Fancy coming back to mine for a Bombay Slapjack?!?!"

by Rorymotion May 10, 2009

SlapJack

A game in which somebody yells "SLAPJACK!" and brutally slaps someone until their organs shut down.

Drew got his ass slapjacked so hard he fucking died.

by Reckewww01 January 26, 2019