Knocking your tits 

When you are playing a joke on your friends, and you finally tell them that you were lying

No I wasn’t actually in the hospital, I was just knocking your tits.

No my dick isn’t the same size as a baby carrot, I was just knocking your tits

Naw baby, I was just knocking your tits, I didn’t sleep with your momma

Knocking your tits by Ruandon April 28, 2019

Knocking teeth 

When your man hits his teeth off of your teeth when becoming intimate with each other.

Yo man I was knocking teeth with my girl the other night

Knocking teeth by Ekalopsia June 7, 2019

Knocking Hip 

Northern English (especially S Yorkshire, Lincolnshire) meaning to have sexual intercourse

I reckon my mum and dad were knocking hip last night

Knocking Hip by Bumbaclaart November 26, 2022

knocking chunk 

knocking chunk is slang for smoking chunk dope out of a pipe

elmo: I been knocking chunk all day baby

knocking chunk by peanut coke plug October 28, 2022

Sponge knocking 

A person is sponge knocking if they say that they tried to pay a debt to another person, but lied about it.

Person 1 "Man I tried to pay you...knocked on the door....no answer"
Person 2 "Oh yeah? Knocked all night at my door...was in all night, were you knocking on the door with a sponge?" Hence called sponge knocking. "I was accused of sponge knocking...but i really tried"

Sponge knocking by AK169 September 18, 2011

Shell Knocking 

When your girlfriend isn't around, so you decide to have sex with a turtle.

"Did you hear about Dave? He went Shell Knocking since Cathy's out of town!"

Shell Knocking by TRSnakeEyes March 1, 2015

Penis Knuckling 

To insert an object into ones penis (urethra) to gain pleasure or because one is a masacist. Anytime an object is inserted in the penis not for medical reasons.

If you start penis knuckling you may injure you urethra due to its soft interior.

Penis Knuckling by Mr. Johnny Hammerballs March 18, 2010