Green’s Dictionary of Slang

b.o.a.t. n.

[abbr. bordering on a tart]

a semi-professional prostitute whose clients tend to be wealthy and whose payments are often less obvious than mere cash.

P. Spring ‘Gimmee All Your Money’ [poem] on Scribble [Internet] You gotta give me all / Hand it over like a man would / If your bank accounts small / I’ll dump you like a B.O.A.T. girl should. [...] Author’s Note: For those of you not in the know a B.O.A.T. girl stands for Bordering On A Tart, they go after millionaires and they like for their money.