When multiple men hold an oral sex contest and the last one to ejaculate wins. It is a test of manhood & stamina in many social circles and office buildings.
Warehouse worker 1: "Hey Jonathan, I can't believe you won another Suck Off!"
Warehouse worker 2: "That's right, Eddie! Good thing he popped in my mouth first. I was thirsty, Reginald!"
A sexual act performed by two lucky individuals on a middle aged, indian man, with glasses and no personality, whose knees are knobby AF. An up and coming sex position, it promises to make your day beautiful and filthy wet. Forget a wet female part, this is the real fucking deal. Knee sucking is the next big thing, and will fucking rock. So lets fucking get started on SMK.
lets suckknees. you can suck my knee (SMK) first. how do you want me to suck it? lets suck it nice and slow. like old times.