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3.
Dutch for arse, related to the legendary aarslijst site (google aarslijst and check cache).
Henk: I was sucking someone's aars yesterday, it was horrible!

Kees: wtf? why did you do that? I can understand it was horrible...

Henk: Well, he asked me to lick it clean and...

Kees: WTF!!?!1! GTFO OF MY HOUSE!!!@11one!
by ELX[Draco] February 23, 2005
 
1.
AAR
All American Rejects...awesome band that has been around
xXdiexmofox: Dude did you go and see that AAR show last weekend?

cRaZY4AAR:Yeah that show was soo scene
by Van Shepp May 01, 2005
 
2.
AAR
Stands for ALL AMERICAN REJECTS, one of the best bands.
Dude did you hear that AAR is coming out with a new album?
by Adam Sims June 08, 2005
 
4.
aar
shorthand for "at any rate"; meanings include: in other words, nevertheless, nonetheless, even so, however, but, yet, still, etc...
aar, you're a jerk 4 thinking that if i ate that 3rd cheeseburger im a lard-ass, jeez; i didnt get 2 eat breakfast this mornin, son :0
by bro #171 March 23, 2010
 
5.
AAR
the norwegian word for "year"
AAR=år
jeg var så full på nyttårsaften
i was so drunk on new years eve.
by ichliebenorge May 28, 2005
 
6.
AAR
The '70 AAR Cuda built for the trans am series.
Look at that sweet AAR!
by AARisAIR July 07, 2006
 
7.
AAR
Short for Anime Academy Radio Network. Invented by the fans of AAR.
I love listening to AAR.
by AAR April 18, 2005