It stands for 'GottDamn thats funny' and is begining to become popular. This word usually takes the place of Lmfao or it is used when something is really funny.(Used in texts or online)
David: Heyy Brooke, u think i should bring protection next time i go to ur house ;)
Brooke: umm... im sorry i dont think of you like that
David: Noo...i mean protection like shoulder pads, so you know i dont hurt myself if i trip >.>
Brooke: Gdtf Nice save
by Potter23 August 20, 2010
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