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an acronym for Head Blown Off.

Occurs when a woman is giving the best head ever and the man comes so hard it shoots all the way down into her belly.

A flattering nickname that all started with Misty's first experience with performing fellatio.
Have you ever met Misty? She is a real HBO kinda woman.
HBO by the original HBO February 12, 2013
Related Words
hbo HBOM HBO and chill HBO HO HBO max HBO-Tard HBOC HBomb94 HBOning HBOrn
HBO aitch bee oh
for some in the US this would represent a television channel, but for Australians it's defined as Hot Boy Orgie or orgy.

It's used as a term to describe attractive young males. You can use HBO to describe a singular person, a group of people, or a somewhere could be full of HBO's.
Or you can say Im having HBO, should you be on the job.

It derived from a local Ballarat boy who went to Amsterdam with his friend and yelled Hot Boy Orgie, from the top of hotel roof to the entire city. HBO then spread and is widely used within Australia and the UK as a term for hot boys.

Both gay and straight people may use the term.
Im having HBO tonight
I had HBO last night
I need HBO
It's full of HBO's
there's HBO everywhere
HBO by wozza_melb May 6, 2009
A channel that shows crappy movies and shows about dead people.
Dude, did you watch hbo they asked kid what they think about death.
hbo by bob November 26, 2003
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.
HBO by OysterCultist December 8, 2010
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.
HBO by Sonicmuse January 6, 2018
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.
HBO by Nicbuddy September 13, 2021