off a perc 

A slang phrase that is used to express that someone is behaving in a wild, crazy or bizarre manner. It does not necessarily imply that the person has taken the drug Percocet, rather it is just an expression used to describe such behavior.

My art teacher just gave me a "F" on the final, she's off a perc fr.

Yo, is that walrus playing baseball? He must be off a perc.

off a perc by Colby Brian January 18, 2023

off a perc 30 

verb
to be wildin as if you had just taken a 30mg pill of percocets, which is commonly used recreationally for euphoric purposes

shiiiiiit mickey off a perc 30

off a perc 30 by boosh76 April 1, 2021