1 definition by Yum yum king
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