Top definition
something grampas scream in the
middle of the night
unexpectedly

and usually while dreaming
ZZZZZZZZZZZZZZ.....
"IM A GAS SHACK!!!!!!"
ZZZZZZZZZZZZ......
by alaskadude April 01, 2009
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Jul 1 Word of the Day
It's the sweat that accumilates under big boobs
It was so hot outside that I had mass amounts of boob sweat.
by Tiffany2583 January 05, 2007
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2
when a guy is doing another guy in the ass, and then the guy thats getting piledrived in the ass farts, and the gassy vapors enter through the the other mans penis, causing the gassy shack effect.
john gased my shack good
by valor November 14, 2003
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