The feeling/expresson of incredible tiredness. Lay on the couch and pass out sleepy. Motor skills and cognitive thinking are halted due to this level of fatigue. Often preceded by a snarf-like sound.
Dawg 1: Yo mang, you wanna play some FIFA?

Dawg 2: *unintelligible noises*Sh..sh..Shleefy.

Dawg 1: K..
by Doogan March 9, 2012
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