1 definition by StuffTheChicken420

A common greeting that has an ambiguous meaning which leaves the recipient confused and uncertain on how to respond.
Person 1: Sup.
Person 2: Uhh... wait am I supposed to say 'sup' back or am I supposed to tell you how my day went?
Person 1: uuhh... idk.
by StuffTheChicken420 October 21, 2021
Get the Sup mug.