Knocking

Having sex with.

A contraction of "Knocking the back out of"

Hey, did you know Bruce is knocking Sarah?

by ryan March 24, 2004

Fizz Knuckin'

A guy comes in a girls mouth and with the load in her mouth, she takes a hit of weed and so does he.

I've been fizz knuckin' bitches.

by Alton Gamble June 14, 2010

glottal knocking

getting head (male.) the 'glottis' is the back of your soft pallet and the entrance to the throat, and 'glottal' is the adjectival form.

We couldn't have sex, so we just did some glottal knocking.

by eepah October 2, 2009

knocking boots

(v) To have sexual intercourse. The knock refers to the man's hips hitting the woman's ass, which produces a slapping sound. The motion literally knocks her boots (buttocks).

"Bring your friend, I likes you two's I'll knock the boots, the sneakers and the house shoes." - Digital Underground (Flowing on the D-line)

by Stoic Seraph April 14, 2003

Knocking one out

A northern slang term for masturbation. To play with oneself, or toss oneself off.

"I'd love to come with you, but I'm in the middle of knocking one out"

by RichieLeBon March 22, 2012

Knocking Off

The act of masturbating whilst really high so that when you jizz all the blood rushes from your head and you pass out. May be hard to achieve.

Also known as Jacking Black.

X: "Ben and I tried Knocking Off last night"
Y: "No Way! You guys are crazy! Any success?"
X: "Yep, I totally Knocked Off!! Ben didn't manage to though. It really isn't easy!"

by Jacking it in San Diego April 18, 2015

Donkey Knocking

While riding your pertner from behind, just before shooting your load, hit her round the head with something hard. This causes her to contract giving the beholder great pleasure

Last night i donkey knocked my girlfriend, today i am a new man!

by Minchos May 2, 2003