Acronym meaning either "Totally On A Dick" or "Totally Over A Dick". Used to describe a obsessive single person looking for only sexual grates, usually in an oral fashion but not always. TOAD can most often be observed when used at a party to describe a often ignored female who becomes so obsessed with getting the male any way possible, that she becomes orally inclined or just sexually obsessive over having sex in that endeavor.
Guy1: What is up with Jennifer tonight? She's practically giving Jim a blowjob with his pants on.
Girl1: She's just T.O.A.D. because he is ignoring her. As soon as he starts to get in to it, she'll back off.
Dude1: God damn! That girl just swooped in and snookied
that guy with a BJ
and stole him away from Julie.
Dude2: She's just being a T.O.A.D. because she is obsessed with his dick. She'll be done with him after she gets some.
Dude1: I knew something was wrong when she ignored free drinks for him! What a greedy slut
!?! She's only in it for the dick!
Dude2: Yup, absolutely a T.O.A.D. dude.