Top definition
To be so incredibly surprised, confused, or astonished by an action, statement, or situation that no other word can describe what you have experienced or heard.
Dude I'm completely boofounded that you actually milked that cat.

Your ignorance boofounds me.

I find subperpendicular vortex's boofounding.
by Johnstonson January 04, 2011
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Dirty Sanchez Plush

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