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Type of shit which generally occurs after a black coffee or a night of drinking a dark beer (i.e. Guinness), wherein all sides of the porcelain are covered with a layer of said smash.
Lex enters room w/a slightly distinguished look.

Lex: "Man, you should've seen what just came out of me. . .hot smash, yeah, the walls were covered."
by J.No October 17, 2005
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If someone is really hot or sexy you say they are Hot Smash
OMG isn't he Hot Smash

Did you see that girl she was Hot Smash
by Ibizagirl2012 July 30, 2012
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