Green’s Dictionary of Slang

(US black teen) sexual intercourse (without a condom); also as v., to have sexual intercourse.

1999		DMX ‘Good Girls, Bad Guys’ 🎵 on ...And Then There Was X [album] I have you in the back of the Chevelle / Like what (what) hittin it raw dogg in the butt / You was good this mornin, but tonight you a slut.
2003		Eble Campus Sl. Nov. 6: raw dog it – have sex without the protection of a condom.
2004		Eble Campus Sl. Apr. 5: rawdog – to engage in wild fun, particularly sex: I totally rawdogged her.
2011		G. Hayward Corruption Officer [ebk] cap. 1: Getting his money is like going up in a bitch, raw dog and not worrying about kids ‘cause she got her tubes tied!