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