Top definition
The unfortunate act of your scrotal tissue sticking to the side of your leg after a warm hot day. The problem with the glusak is that it hurts when the scrotal tissue is peeled away from the offending thigh(s).
Tim: Man I just got done playing football and now my sack is stuck to my leg.

Robert: Sounds like you got a glusak
by paraquatman August 21, 2010
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