Top Definition
Someone who makes a stink and doesn't own up to it....and possibly blames it on someone else.
Woman: Eeeeeew! What is that smell?
Man: What smell?
Woman: Did you make a stink?
Man: Wasn't me!
Woman: Well, it sure smells like you.
Man: Not me, must have been the dog!
Woman: You're a stinkapotomus!
by TheWordSmithHousewife July 22, 2009
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