Knuckle dunking 

Inserting your fingers into a woman’s vagina up to your knuckles.

The wet spot on the bed was enormous after Britney received her first knuckle dunking.

Knuckle dunking by WordMagic May 30, 2018

nut dunking

To have your jewels, testicles, gonads, balls, etc. dangle in the toilet water when attempting to relieve your bowels. Often occurs in the wee hours of the morning in a dark bathroom and bed head is a contributing factor.

when i stumble in the bathroom at O late thirty something in the morning..... and need to cop a squat, only to have someone leave the toilet seat up......

I unexpectedly go "nut dunking"

nut dunking by whathisnuts June 18, 2009

turd dunking 

defintion 1: verb. the act of dunking for feces; similar to bobbing for apples.

definition 2: verb. when prairie dogging in the toliet bowl said turd will dunk repeatedly in and out of water

definition 1:
hey jenny, are you going to sarah's party? theres going to be turd dunking!!!!

definition 2:
Dude!!! i totally heard some splashing in the bathroom.... Todd is sooo turd dunking

turd dunking by kharma_ghost314317 August 24, 2009

Shrimp dunking

Using a straw to siphon ejaculate out of an anal cavity

Dude, Dylan was shrimp dunking Brad last night with a straw that was spooned at one end like the ones for slurpees at 7-11. He got all of it

Shrimp dunking by Ox April 8, 2016

chunky dunking 

When fat people go skinny dipping!

Last night Chris, Amber, and Amy went chunky dunking in Uncle Chewy's hot tub but got kicked out when Uncle Chewy brought back a couple prospects to go Chumura on.

chunky dunking by Sac April 11, 2005

Dry Dunking

Having penetrative sex with a girl not yet wet due to lack of foreplay or lack of interest on her part... Or she's old.

Man 1: Oh man, my dick hurts so much right now!

Man 2: Why Dude?

Man 1: It's red raw because I had to start Dry Dunking Sandra last night. I couldn't be bothered to get her going.

Man 2: That's so selfish!

Man 1: I don't care, I came after 4 minutes anyway.

Dry Dunking by DarkDreams5 February 19, 2010

tubby dunking

When fat people go naked swimming after dark. Much like skinny dippin' up on a larger scale.

Hey, baby you wanna go tubby dunking, with a real man?

tubby dunking by Mick Riller June 30, 2020