look up any word, like tribbing:
 
1.
SDR
Sex, drugs and rock&roll.
We had a party full of SDR.
by mclenin August 07, 2009
 
2.
sdr
An abbreviation meaning stop, drop and roll. Used to comment on pictures that are particularly hot.
"Woah, sdr coz u look hot!"
by deldo July 11, 2008
 
3.
SDR
Single Data Rate. Inferior to DDR, unless the amount of ram is insanely huge.
by Freezerburn September 19, 2003
 
4.
SDR
def'n. An amazingly talented rap group that also dominates the Canadian Cycling circuit. Stands for Snaggle-Deuce-Remix, or THE Snaggle Deuce Remix.

Also known as the SDR Racing Team when competing.
the sky is black as the thunderclouds roll in,
TCR pink SDR reppin...

SDR Racing Team
by GIntalex November 25, 2004