if you dont understand something because you have no braincells or a life, but you mostly can't afford one.
or your deaf.
guy 1: *f##king nonsense*
guy 2: what
guy 1: ur deaf or something
guy 2: what
guy 1:
The Word That People Say When They Don't Understand Something
Person 1: You know what a proton is?
Person 2:What?
Something you say when you dont understand
Person 1: £×*@;€£×&×&*
Person 2: what