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1.
The Tec-9 sub machine gun is pretty much the modern day Tommy gun. It's used by hundreds of street gangs and terrorists. Though the full-auto version is extinct, you can by them in some places of America in gun stores in semi-automatic for very cheap (because they are not very accurate or reliable), but they can be converted to shoot full-auto very easily, that’s why they are so popular, and they are also light and compact and pack a high volume of firepower - you can get up to 50 round magazines!
"Give me a strap!" "Hear, take my Tec 9!"
by SiMo))) January 27, 2006
 
2.
a tec 9 is a 9mm semiautomatic pistol with a magazine capacity that ranges from 10 to 50 rounds. mostly used by terrorist groups and thugs.
"theres a nigga with a tec come and wet my shirt, i catch bullets in my spleen and them shits burn" - prodigy (Mobb Deep)
by teh tequila November 28, 2004
 
3.
An inexpensive, semiautomatic, high capacity 9mm assault pistol manufactered by intratec. Its shrouded barrel and large magazine in front of the grip give it its menacing appearance. because of its large ammo capacity, from 30 to 50 rounds depending on the clip, this weapon is favored by thugs, and criminals. It considered far too unreliable, heavy and inacurate for self-defense. Its most notorious use was the role it played in the Columbine High School shootings
Grab yo tec-9 so we can go blast those niggas!
by agentsteve July 02, 2005
 
4.
The correct designation for what is sometimes called a Tech-9, Tek-9, etc. It is a semi-auto only 9mm pistol made by IntraTec. It never has been a machine gun, machine pistol, or sub-machine gun. It has never been used by military or police units. It is a favorite of people who don't know jack about firearms.
The TEC-9 is not a machine gun.
by Firearm Instructor August 17, 2006
 
5.
A inexpensive, unreliable, 9mm weapon used by people who think who are hot shit and live in the ghetto. it was made infamous by rappers, and Dylan Klebold who used it to kill students with Eric Harris at Columbine High School.
"Dylan pulled out his Tec - 9 and busted those mother fucking jocks!"
by bunchalinks March 29, 2010
 
6.
a crappy handgun that can spray bullets. very cheap. the only reason it was in gta was because of columbine, and the gangs that use these guns.
tec 9 is notorious only because of gangs and columbine
by ridjvndfjvnckjgh ywr June 12, 2011
 
7.
popular automatic handgun made by intratec. it was banned due to its futuristic appearance
"Just spray that tec nigga if I say get it done. And make it wet nigga if you 'round me son" -50cent
by jdmcivic September 14, 2004