its the acronym for " Good to know", it can be used in terms of sarcasm or actuality
Valencia: your face looks odd
Rose:Gtk
von Mrz.Harper13 11. Juni 2010
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.
von De Vil 23. August 2009
good to know
1: i farted

2:gtk
von lovadkfs 29. Juni 2010
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."
von efficiencyqueen 18. Dezember 2013
good to know

--said when someone say something that is good to know
GTK!
von sexysimba 11. August 2011
acronym for "get that kitty". meaning to get some play.
R: aye bro. my girl coming over today.

T: ayy you better GTK.
von Antonjo 27. Mai 2014
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!
von ernyandsp 5. Juli 2011

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