1) A fragment of toilet tissue that is left behind after wiping.

2) An individual who is a complete moron. Having the intellect of said fragment of tissue (after being soiled, of course)
1) I walked around all day before noticing the buttwad that had been stuck to my posterior.

2) George W Bush is a complete freakin' buttwad.
by SugarBunni February 10, 2004
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An obstinate individual who is so set in their ways that they will refuse all new ideas, even when the idea presented is something the person likes or would benefit them.
Dude, I know you want to come to the fair with us, quit being a buttwad.
by l3ortron August 28, 2017
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