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1.
Gtk
its the acronym for " Good to know", it can be used in terms of sarcasm or actuality
Valencia: your face looks odd
Rose:Gtk
by Mrz.Harper13 June 11, 2010
 
2.
GTK
Short for "Get the Keg".

Used when someone is about to do something so stupid that you don't even want to remember.
Retard: Dude, I'm gunna light my car on fire!!
McRetard: Ahh god gtk.
by De Vil August 23, 2009
 
3.
gtk
good to know
1: i farted

2:gtk
by lovadkfs June 29, 2010
 
4.
GTK
Good to know. An easy, quick way to say a common phrase; often over email or text messaging. Similar to FYI, BTW, etc.
"I'll be in town in 2 weeks!" "GTK! Hit me up when you're around."
by efficiencyqueen December 18, 2013
 
5.
GTK
acronym for "get that kitty". meaning to get some play.
R: aye bro. my girl coming over today.

T: ayy you better GTK.
by Antonjo May 27, 2014
 
6.
GTK
good to know

--said when someone say something that is good to know
GTK!
by sexysimba August 11, 2011
 
7.
gtk
An acronym for the phrase 'get the kill' meaning to have sex with a certain individual.
Boy 1: Hey bro I'm chilling with my girlfriend tonight!
Boy 2: Sweet man, gtk!
by ernyandsp July 05, 2011