a fancy way for people to say "weave"
girl one- "i payed $300 on these extensions"

girl two- "you mean on them nappy tracks?!?"
by wouldn't you like to know (; October 03, 2008
Hair extensions are made from a range of human and synthetic fibers. Synthetic fibers include Kanekalon and Toyokalon, and can differ from brand to brand. Synthetic hair in general is less expensive than human hair, and is available in a wide array of colors and textures, from natural to extraordinary. Human hair is available in many different grades, and is usually advertised by ethnic origin; India, China and other Asian countries are the top suppliers for 'virgin', or unprocessed hair. Eastern European countries are the source of 'Caucasian' hair.
Hair extensions are mostly seen on 'scenesters'.
by angieellymarie July 24, 2008
when someone chubbys stomach extends over his or her belt
Adam "Have you seen brandon with no shirt?"

Ben "Yeah hes got such an extension"

Adam "I know it goes out like two inches"
by kyky7 February 25, 2011
A mechanism used to defeat the disagreeable. Cup your hand as if you were holding a fire hose to you adversary. Once the enemy is in sight, bark profanities and insults.
Ryan thought the evening was going his way... The extension brought him back to earth.
by vectortec October 20, 2003
Pouring your beer into your mouth with you arm fully extended above your head. Best done in groups...
The team busted out the extensions to celebrate the kickball victory.
by kickball kate June 24, 2005
noun. device used to add inches to small penises for very pathetic losers.
my penis is too short for you, John? wait, let me put my extension on.
by stoop December 05, 2002

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