Hummer 

1) An extremely large vehicle once intended solely for heavy-duty amphibious use by military personnel, now common in civilian transportation.

2) An act of fellatio in which the woman hums while performing.

My foot was crushed to pieces when the Hummer backed over it.

I received a hummer last night and reached climax rather quickly.

Hummer by UrbanWebster February 15, 2004

hummer 

A blow job that incorporates humming, moaning or any other type of noise that creates slight vibrations in the throat heightening the entire experience for the suck-ee.

Sheila's hummers make me cry.

hummer by lick a lotta spokes February 1, 2005

hummer 

When a girl goes down on a guy and makes his willy want to cry while mumming.

Angel gives GREAT hummer, not your mom.

hummer by Duckiee June 27, 2006

Hummer 

When a girl tosses off a man while at the same time sucking his balls and humming causing vibrations giving mass pleasure.

"Yesterday my girlfriend gave me a hummer."

Hummer by Doc December 12, 2002

HUMMER 

Huge Unnecessary Machine Misusing Everyone’s Resources

What a Huge Unnecessary Machine Misusing Everyone’s Resources (HUMMER)!

HUMMER by dianneyunkeraz October 10, 2008

Hummer 

What a man buys when he wishes to announce to the world that he has a small penis.

Also, it's the ugliest vehicle ever manufactured outside of Soviet Russia.

You drive a Hummer? Don't you think you're compensating for something?

Hummer by George McBob September 30, 2009

Hummer 

A rather large ultra expensive SUV that is driven by the upper crust of society, soccer moms, playboys, or men largely unsure of their sexual prowess!

What's the difference between a porcupine and a Hummer? A Hummer has all of its pricks on the inside!

Hummer by Arbitrator March 2, 2017