More than a blowjob; it's when a girl actually hums (thus vibrating her lips) when her mouth has encased your engorged penis or balls.

A polite term for shoving a lubricated probe into the Earth's hole to release gas.

1. Even better than a blowjob, it's when the person actually hums/vibrates their lips while their mouth is around your cock.
2. One of the least fuel efficient vehicles on the Earth.

A hilarious name for oral sex. Often used as a joke, when people think the Hummer H series vehicles.

A blow job which incorporates a gentle humming while performing the duty to increase stimulation.

1. A civilan version of the military vechicle Humvee. Hummer's are produce by the General Motors Company. Currently there are two version's H2 and H1.
2. A Blowjob when the girl hums during the BJ

No, not the SUV, an extremely pleasureable type of oral sex which involves the female humming to create a vibrating sensation in the penis during oral sex.