Top Definition
An unnecessary action of extreme boredom; often referred to as "playing titterbox", as if it were a sport, or game.

Titterbox is also the act of using your time unwisely, or to pass the time by doing nothing; fooling around.
Mr. Silva exclaims that we, "sit around and play titterbox in the back of the classroom."
by MBL Squad/The Coop March 23, 2011

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