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2 definitions by M3Driver

 
1.
M3
Refers to the original BMW M3 (e30 chassis) which won countless touring car championships in the late 80's and early 90's. This car was offered in a street version as well, touted as one of the best handling vehicles ever available to the public. A race car for the street if you will.

Not to be confused with later BMWs sharing a similar name (in the E36 and E46 versions the M stands for Marketing, not Motorsport) the original M3 was, is, and always will be the most badass car to ever have existed.
Did you see that old-school M3 smoke that 996!?!?!?! WTF how can an old car pull through a turn like that!!!!
by M3Driver August 26, 2004
 
2.
A sexual position involving a helmet, D-rings, and 2 ratchet straps.

Have your partner put on the helmet and bend over facing a corner. Proceed to tie down your partner and position yourself for penetration.
Blunt was corner pumped by Avi
by M3Driver August 26, 2004