Bombay Hum

A sexual act involving placing ones testicles in a partners mouth while said partner "hums" in order to provide a pleasurable feeling.

The missus gave me a bombay hum last night.

Hum Noi

Hum Noi means small penis is Thai..

Hey you over there you have a hum noi.
Person over there dosent know what that means

See amazing

humming bear

A humming bear is when one gives a blow job to a very hairy individual.

Hey, Suzy...do I have any hairs in my teeth? I just gave Bob a humming bear. He's a real life Sasquatch down there.

Hum Shum

A girlfriend

My son just got a new Hum Shum. She is a hottie!

Hum Chee

used to express frustration or anger.

"Man, that is some fucking hum chee. She didn't even pretend to be into it."

Hum V

Much like a hummer (Blow job whilst humming), but for women. The act of humming while going down on a women.

Guy: I just gave my girlfriend a Hum V
Guy2: Like the truck?
Guy: No, like a hummer for a chick.

Sex Humming

When you're so exhausted after sex, you immediately roll over and start snoring.

Damn Chuck, could you just hold me for once? Seriously, all this sex humming makes me feel so neglected.