Green’s Dictionary of Slang

bitch slap v.

also bitch-smack
[bitch n.1 + SE slap]
(US black)

1. of a woman, to hit, occas. to harangue, one’s male partner; thus bitchslapping n.

[UK]L. Gould Shagadelically Speaking 17: bitchslapping, Misogynistic term for physical abuse popularized in gangsta rap music and seen frequently on daytime TV talk-show melees.
‘Radio DJ’s words ignite controversy’ Capital Times 10 Aug. 🌐 Station management [...] has decided to clip the phrase ‘bitch slap’ from its talk radio lexicon. [...] ‘A bitch slapping is like a pillory or excoriating somebody. You know, verbally lashing them with your tongue,’ Krok said Friday.

2. of a man, to hit a woman, or a man, in an ‘effeminate’ way (i.e. with the back of the hand: a ‘real man’ only uses his fists).

[US]S. Morgan Homeboy 166: Papa still backhanded him like a woman, bitchslapped him to his knees.
[US]Ebonics Primer at www.dolemite.com 🌐 bitch slap Definition: like a pimp slap, but with the back of your hand. Example: Nigga, git cho ass outta hea fo’ I bitch slap yo ass!
[US]J. Lerner You Got Nothing Coming 124: I ain’t looking to get rossed out behind no J-Cat faggot. Why don’t you just bitch-slap her into the house.
[Scot]T. Black ‘Killing Time in Las Vegas’ in Killing Time in Las Vegas [ebook] He and his Jock buddies used to ride me, bitch-slapping me and calling me Hom’-Boy.
[US]J. Ellroy Widespread Panic 196: Orson [Welles] said, ‘You’re a shit, Freddy.’ I bitch-slapped him.

3. to hit, irrespective of gender; thus bitchslapped, hit.

[US]Queen Latifah ‘Elements I’m Among’ 🎵 Booty rappers posing as gun-clappers get bitch-smacked.
[US]G. Pelecanos Down by the River 204: ‘That little redneck’s gonna come back in here, and if you let him, he’s gonna bitch-slap your ass all around’.
[US]D.H. Sterry Chicken (2003) 23: Ah hope to God you don’t try that mess in public, cuz that’s a good way to git yourself bitchslapped, son.
[US]J. Stahl Pain Killers 60: My future ex-wife murdered her husband, but me bitch-slapping a Sunday driver was too much.
[US]P. Beatty Sellout (2016) 184: You think after Rosa parks bitch-slapped white America, some white rednecks going to go out of their way to save the original bus?
[US]D. Winslow ‘The San Diego Zoo’ in Broken 161: He grabs Hollis by the front of his shirt and bitch-slaps him back and forth.