A phrase used to signify that an argument has degraded to an immature level. Used as a response to someone that's turned a friendly discussion in to a personal argument.
Person 1: I hate iphones!
Person 2: I think they rawk. iPhones for everyone!
Person 1: You're a poo brain.
Person 2: I know you are but what am I?
A descriptive name for any form of marijuana that leaves its user disoriented forcing a person to ask who and what questions as if to be returning back to reality unaware of the world around them
(after hitting a blunt) Hey my man whats going on you down to walk to the beach...(marijuana user replies) Huh??? Who what?(after smoking marijuana) Who whats?