HBO - means hair belonging to others.

Jess: Approximately how much would an HBO cost?
Cashier: Around $150
If a girl walks into a weave shop and she wants to buy a lace wig (human hair) she could just ask for an HBO.
by Sonicmuse January 7, 2018
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Acronym for: Honast Bro Opinnion.

Happens during casual bro to bro conversation. Most common during a a conversation about a bro's personal life and problems with it.
Bro 1: Bro, what do I do? I mean shes great and all but I got something going with another chick?

Bro 2: Shes bad news bro. Ditch your ex and take the new chick. HBO on that.
by OysterCultist December 8, 2010
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Hinee blow out
When one blows air into their partners rectum and proceeds to perform analingus on them as the air escapes from the rectum.
Guy 1: hey bro, why are your eyebrows all messed up?
Guy 2: I just gave my lady/man a hbo. Kinda like sticking your head out a sunroof.
by Nicbuddy September 13, 2021
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When you have to pay more for a premium movie package
HBO is a hoe because you have to pay like a 1t extra dollars like bruh, I'm broke as shit, I can't afford this, and imax, and so on.
by Memeblox February 1, 2017
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Dyatlov from the hbo series, he’s hot.
bro Dyatlov(hbo) is so hot
by tartagliabadussy January 27, 2022
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