Tamblyn

When someone makes it their mission to disguard a perfectly acceptable amount of alcohol in a random space/place.
It is when someone opens another beer when there is a small amount of beer left in their bottle/can and claim that it is either empty or the dregs/backwash

Verb - "Don't be a Tamblyn, go finish your beer before you start a new one"

Verb - "There's loads of Tamblyn left in that."

Noun - "There is a little Tamblyn left in that beer"