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The act of posting numerous related gifs on comment threads or Facebook walls for the sole purpose of irritating the original poster.
Dude, John just got cat gif bombed.

Ah man, I just got gif bombed by my brother's entire fraternity.

Oh sweet jesus, my mom's bunco group just gif bombed the sh*t out of my Facebook wall.
by Squeegers + Goomba April 02, 2013
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