n. Colloquialism referring to the Hummer H2 SUV. It is an established fact that feelings of inadequacy contribute to the purchasing, driving, and flaunting of one's Hummer.
Brad W., a 24-year-old jock who has trouble charming the ladies with his drunken partying, got his dad to buy him a brand-new yellow and chrome penis extension from the local GM dealer. Way to go Brad.
by Carl Willis July 27, 2004
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noun. When internet folk add unnecessary letters to their words. It can pass with some girls or if using it as if you were speaking but normally they look as dumb as hair extensions.
A:Where were you?
B:At the Olive Garden where were u?
A:At the Olive Garden...wait which one did you go to?
B: The one on Mainstreet, thats where I said to go.
A: Ohhhhhhhhh
B: >:l
A: What? I just realized that I f***** up
B: Sorry I thought you were using word extensions, myyyy baddd
A: Youre so gay
by z1andonly July 4, 2010
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Realization of all low bass information from 250Hz down to 20hz.
Very few headphones can reproduce bass extension well because of the tiny diaphragm that needs to move a lot of air to create these frequencies.
by Monster Cable May 22, 2009
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When at least thirteen gay men stand upright performing anal sex and the last man sticks his penis into a woman's vagina.
I walked into the public bathroom yesterday, and saw the longest extension cord!
by kins.webb February 3, 2015
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Almost always 100% human hair that you can attach to your hair by either clips, glue, or weaving it in to make your hair look naturally long. Sometimes you can buy them synthetic (fake) but it looks more natural real. You will see a lot of famous people with them in for example Paris Hilton. Extensions are in for punk/emo/scene girls for example Kiki kannibal.
"OMG my hair is taking forever to grow, I think I'm just going to buy some hair extensions"

"Did you see Kiki Kannibal's hair extensions? they look bad ass."

by Britt Steed January 13, 2009
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Any child who has grown up with a parent in the Extension Service, knows what MSU means, got excited when you turned 9 because you get to finally be a real 4-H'er, personally knows 10 or more Extension Agents- or has memorized who serves what county, tried to name every county and county seat in the state, and has played "Name That Noxious Weed" on many a road trip.
Have you seen the Eastern Region Department Head's daughter? Man, she is an Extension Brat.
by Extension Brat June 26, 2015
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A naturally occuring phenomenon of an erect penis growing beyond its standard capacity. This rare occurence happens usually after hours of intense sexual intercourse.

This is generally not a problem unless your partner is very petite.
A seven-inch erection becomes eight inches. An eight-inch erection becomes nine inches, and so on.

Sentence: Mr. Smith experienced an over extension of his penis while he pulverized his slam pig last night.
by The Extender 2 December 29, 2011
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