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An acronym for "Do it in the butt." Often used to encourage a friend.
Man1: So I've been seeing a lot of Loretta lately. Hoping for some one-on-one tonight after the bar...
Man2: Hell yeah! DIITB!
by G.FRESH. August 05, 2010
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Do It In The Butt!

Alternative to asking for Anal Sex.
Baby, will you make me a fish sandwich and afterwhich we can DIITB.
by Dryars December 03, 2004
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