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1) Interjection used in absoltuely any situtation when you can't think of anything to say and you want to be funny. Good to be used around the lunch table with your closest friends who know the full story.

*NOTE* It deals someway with mathmatics
"Hey what's for Lunch man, can I copy your math homework?"
by J.T. the Bible Scholar February 19, 2004
3 9
Interjection, emitted at random by those who are good a math.

See also: Braaaaah!, Braugh!, Braaaaa!, or Braaaaagh
Mmmm, good cookies,BRAWWWWW!, today.
by Roberto_Benigni February 17, 2004
2 11