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1 definition by Doc Daredevil Dagwood Dipthong

 
1.
The act of laughing so hard that muscle control is temporary relaxed, resulting in the droppage of ass.

From colloquial "Guffaw" and "Fart."

Similar words include: Shart, Snart
"Wow, that was a great burrito. Whoa, did that fellow just slip on a banana peel? How funny! Oh my god I think i just guffarted."
by Doc Daredevil Dagwood Dipthong January 05, 2007