When one takes on the personality of a professor and proceeds to forcefully lecture someone on an issue of which they believe they are the
resident expert in, but in which they possess no knowledge or experience.
Generally becomes more pronounced with intoxication or during
male bonding sessions. Often the phrase "I'll give you the
hot tip..." is a precursor to an episode of proffing.
P1. Hey, did you hear Adam last night at the party
lecturing Justin on the proof of
global warming?
P2. Yeah, he sure gave him a proffing!