Top definition
A hilariasshole is a person who makes the joke that everyone was thinking, yet due to the circumstances did not say.
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A reference to someone who will not let a bad joke die.
Bob, Her grandmother just died, next time in a situation like this have some compassion and be less of a hilariasshole.
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Ha...Ha...Ha that was hilariasshole.
by Douglas M November 30, 2006
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