SR - Nissan Motor Series usually referring to SR20DE/SR20DET
yo, nice S13... you got an SR under there?
by Anonymous July 29, 2003
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The word "serious" for the seriously serious & busy texter/emailer/messenger
"Hey Flo, guess what? I got engaged!"

"Wow, r u srs?"

"Yeah! You don't sound happy...?"

"No I am, just busy here, congrats, ttyl"
by Anonymous Red Pen December 27, 2011
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Petty officer 1: "Where did he come from"
Petty officer 2: "Oh, he's a new SR"
by Jesse Marclef February 17, 2009
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An abbreviation for a Sexual Referencing game in which you and your friends listen for double meanings in lectures or anything else you come across and purposefully misunderstand them as being perverse.
During class:
You "Hey, psst! wanna play SR?"
Friend "Sure!"

Other student "Mrs! the sharpener is broken again and my pencil's stuck inside!"
Teacher "Push harder and wiggle it around a bit"

You and Friend "Bwahhahahaa!"
by KiddingKendrick January 11, 2011
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