A female (or male) that is incredibly easy to hook up with or is a hooker. The word red light comes from red light district which means a place where there is a ton of prostitutes.
"Man I wouldn't be talking to her if i were you, she a red light hoe (RLH)."

"Yo, I'm gonna try and see if i can get with Rachel tonight, word on the street she a red light hoe."
by MC Rickey Dee September 1, 2015
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Hoe-light, a unique but effective way for sex workers to solicit clients. Hoe lights are prostitutes who stand on street corners waving two flashlights about using morse code.
Dude there's a Hoe-light over there, she's offering "sucky sucky for 5 dolla"
by Luciousw226 January 31, 2022
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