Green’s Dictionary of Slang

raw dog v.

1. (US black) to humiliate horribly, to treat someone with utter contempt.

[US]T.R. Houser Central Sl. 44: raw dog To treat someone worse than a dog. To bring cruel abuse and heartless harm to bear.

2. (US) to have sexual intercourse without a condom, also adv; the act of intercourse itself.

Urban Dict. 9 July 🌐 raw dog sexual intercourse without a rubber Man, fuck that, hit that shit raw dog then bail.
[US]M. Lacher On the Bro’d 45: ‘I’ll be back for another hour of rawdogging together, mad-ass rawdogging, babe’.
[US]NY Times 17 July 🌐 ‘[R]awdogging’ [...] sexual intercourse without a condom.

3. (US) as ext. of sense 2, to peform any action with some form of context-relevant buffer.

Urban Dict. 9 Feb. 🌐 Raw dog (V.) To perform any act recklessly or without preparation ‘Are you studying for Macy's test?’ ‘Nah, man. Imma raw dog it’.
[US]NY Times 17 July 🌐 ‘[R]awdogging’ [...] as been adopted to describe almost any activity accomplished without the assistance of a buffer. Now, you can rawdog the flu by refusing medication; you can rawdog cooking by not using a recipe; you can even rawdog life, by being sober.