vi., to flick the helix (top/rear edge) of another's ear with one's finger.
n., the flick of an ear by another's finger
Whenever I farted in public, I'd get such a twib from my brother that I had to start twibbing him back to get him to stop.
An in the closet homie thats in loves with his friend.
Aye nigga, he took a sneak picture of you. Watch out cuz he's a TWIB bro.