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1.
L7
see Square

(as the L and 7 together closely resemble a square shape)
"Johnny is an L7"
by dw March 23, 2003
 
2.
L7
A gang originated in Massapequa Park consisting of 7 girls. Found in the ghetto of pequa (North of Sunrise)
Often seen in pictures with representing hand signs.
Don't mess with L7, they'll eff you up
by Jerome365 November 25, 2010
 
3.
L 7
Slang term used to describe an older slang term of being "square" which was often used to indicate akwardness or someone who is completely odd. If you put the letter "L" and the number "7" close enough together, the two characters create a shape resembling a square.
I got lost in the city and ended up in an unfamiliar neighborhood where I felt completely like an L 7.
by Jack Scotty March 23, 2006
 
4.
L 7
L 7 was used in the 50's/60's to represent being "square" or old-fashioned or un-cool. (People would hold up their thumbs and forefingers to create a square shape as a non-verbal representation.)
In the song "Woolly Bully" one of the lines is "Let's not be L 7, come and learn to dance.
by Anne Price March 14, 2006
 
5.
L-7
Pioneering Seattle grunge band.
We were supposed to go see L-7 with Babes In Toyland but The Man got the fire marshal to close down the club.
by VK October 14, 2003
 
6.
L-7
L7 aka square when you make it with your fingers and thumbs. another word for cigarettes.
I'm going on break to have a L7.
by Shameless August 01, 2005
 
7.
L 7
A 80's rock band. Featured on Most Metal Moments for throwing a bloody tampon into the crowd and then having it thrown back at them on stage. Yeck.
Did you see L 7 on VHIs Most Metal Moments?
by Demon Kat September 22, 2005