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1.
mdr
French equivelant of LOL, litterally meaning "mort de rire", "Death from laughter" or "dying of laughter" (though it should be note that most French people still know LOL)
INSERT: Funnyness
RESPOND: mdr
by hugo413 January 26, 2005
 
2.
MDR
Abbreviation of the french phrase "mort de rire" which translates into "died of laughing". It can be used any way that you use "LOL" or "lmao".
Josh fell flat on his face at graduation? mdr!!!
by TaintedxxLovex66 August 05, 2006
 
3.
MDR
"Mort de Rie!" French for "Die of Laughter!"
Can be used in replacement of "lol" or "lmao" etc.
-"She slipped down the stairs.."
-"Really?! MDR!! :D"
by StormieChyy January 19, 2010
 
4.
MDR
Mad Drunken Rage.
A level of extreme intoxication at which yelling,cursing,hitting, and throwing objects for no apparent reason are common. Generally caused by Four Lokos or Liquor.
Often referred to as MDRing or MDR'd
Refer to "MSR" or Mad Sober Rage.

Originiated at Longwood University in Farmville VA by the 3 best friends that anyone could have.
1. "Scroggchurch was so drunk last night that he MDR'd on the sqiffer and smashed it to pieces"

2. "Steer clear of Anna she's been drinking Four Lokos and she's MDRing"

3. "I'm gonna go MDR status on your ass!"
by MDR3 November 28, 2010
 
5.
MDR
The MDR (Munson Dry Rub) describes a sexual technique where the penis is placed between a woman's breasts and a humping motion ensues. Hence the name, this act does not include lubricant and often leaves a long red mark extending from the cleavage to the collar bone.
After giving Kristi an MDR she had to where a turtle neck for an entire week.
by IrishMick August 27, 2007