Top Definition
To stumble uncontrollably in an alcohol educed haze in which older objects appear younger. Bad decisions have been known to occur while stumpfing not limited to: arrests, children, and cougar attacks.
dude1: holy crap i just woke up with a gmilf this morning, I didn't think i had that much to drink!

dude2: man when i saw you at the bar you were totally stumpfing your brains out.
by johnboy22 March 22, 2010

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