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The orgasmic feeling you get when you pick scabs.
Picking Ross' scabs from his chafed inner thighs gave him a massive Scasm. He then proceeded to put them in his sandwiches for tomorrow's lunch. Yummmy!
by jomasi March 04, 2015
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2
When your colon spontaneously explodes
Steve-O: Hang on, speed bump!
Ty: Oh shit, I think I just had a scasm!!!
by Steve-O & Ty February 16, 2005
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