Top Definition
Occurs when 8 (or more) frat daddys of the same house or of different chapters enter any bar or party together at once.
"Dude, Barley's Bar was so packed with dumb G.D.I.'s until my boys and I showed up and frat-attacked it"

"That house party looks lame. We should frat-attack it, and consume all of their beverages."
by L. bow August 27, 2009
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