When you take two stalks of celery and a piece of broccoli, put the celery in your ass, do a handstand and put the broccoli in your mouth. And you look like shrek with his pants down
Y/N: Dude i just tried Shrekking!
Noah: Fucking weirdo
The act of putting two stalks of celery up your ass then a piece of broccoli in your mouth, and doing a handstand.
Sarah: "Oh my god david tried Shrekking with me last night, it was SO hot!"
Virginia: "Oh my god babes im like SO Jealous!!"