1 definition by Smartass101

The shrinking of any of your main sexual parts,

Including anything from: ass , penis , mouth (Use your imagination), etc..
Tommy - Dude, that chick's ass has been smalling lately o.o

Jimmy - OH FUCK! *Chases girl* Lay off the diet! Come on! I know your husband is gonna flip when he notices that!

Girl - What? Oh, I'm lesbian.
by Smartass101 October 1, 2007
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