D.T.S.D.O.B. or down to suck dick on beach, refers to the perfect date to a frat formal.

A woman willing to perform fellatio regardless of a sandy environment

Ultimate formal date
"Dude I need to get that freshman bitch Charleene to come to beach formal with us. I heard she's D.T.S.D.O.B. whenever I want it!!"

"Pledge, I need a comprehensive list of every freshman girl who is DTSDOB and who looks hot in a bikini"
by TheBlackNinja March 16, 2009
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