by Sicktimeslads April 19, 2018

The act of licking a fat bitches ' stanky asshole with a bag of pop rocks in your mouth. Then as she cums, you spit the pop rocks deep into her shitty piehole
by Omaha jack knob 2000 September 20, 2021

When you invest in a company and some good news comes out about it, or you make a a lot of money from your position.
"Golden State Warriors is up 367%... yum yum!" - Chamath Palihapitiya (part-owner of Golden State Warriors)
by speakerr January 31, 2022

When a guy jizz in your mouth and you pass round the cum equally between your fellow colleagues in the room so everyone has a bit of protein before the big night on the town
Patricia: shall we yum yum this jizz in my mouth
Justine: yes okay
Jeff: yes I'm hungry before the night out. Please save me a piece
Justine: yes okay
Jeff: yes I'm hungry before the night out. Please save me a piece
by Sauly bee July 8, 2020

by Slovenize November 1, 2023

by minnapunkinhead February 9, 2010

A Yum Yum is a sexual act, of when two males stick their fingers in each others rectums & then proceed to sniff their own finger whilst masturbating
Rob: Come here Jonathan you minx, I'm going to give you a right naughty Yum Yum
Jonathan: I can't wait to smell my poo finger, whilst pulling my todger off
Jonathan: I can't wait to smell my poo finger, whilst pulling my todger off
by Yum yum king May 7, 2022
