Abbreviation for Getting Ready. You will see this in many teenage girl's MSN names or Facebook status updates.
I'm gtr at the moment. I'll be there in 10 minutes.
gtr/school/shower/party
by MeowMeow Kitty lulz May 30, 2009
Get the gtr mug.
GTR is Japan's car. Full name is Nissan Skyline GTR. The GTR is the sperial sport version of Skyline.
by JNN February 24, 2005
Get the GTR mug.
Acronym related to motorsports and motorised vehicles. Normally stands for "Grand Turismo Racing"
"Man, the Ultima GTR beat the 0-60-0(mph) world record for a production car!"

"I'm into F1, GTR and rally."
by Henrique December 31, 2005
Get the gtr mug.
GTR-Girls that Rage

-We Rage

-We make the party

-We are the party
"Damn. Did you see the GTR?"

"Hell yeah...They were Raging out!"
by KittyMeow13 April 29, 2010
Get the GTR mug.
According to 14 year olds with no drivers license and has never driven a car before the gtr is the best car in the world and nothing can beat it.
by Foxbodyguy January 23, 2016
Get the gtr mug.
Those are the biggest teeth I've ever seen on a person.

gtr
by fred9724hf August 3, 2009
Get the gtr mug.
Gum:Teeth Ratio - the ratio of visible gums to teeth in a girl's smile.
Bro 1: What do you think of Rachel?

Bro 2: She'd definitely get it but it would be like getting a blowjob from a granny. Not a good GTR!
by yogazardoz December 15, 2011
Get the GTR mug.