(1)To preform an action, or display a behavior that contradicts your normal persona.(2)To unintentionally act like your under the influence of a hallucenogenic drug while sober.(3)Conduct unbecoming of a person of sound mind and body.(4)Brief mental impairment.
Guy#1: Yo, did you hear somebody knocking at the door?
Guy#2: Naw, son you buggin out.
This is basicaly the same as "freekn'out", It's brought on by using too much Cocaine,Regardless of what ever form it's in; be it : Crack, or powder, even in liquid form.
Pat allways is buggin out when he smokes crack. He thinks hes being watched but when you ask him "who's watching"? He says "I don't know".