Top Definition
I understand. Your help in this matter has been greatly appreciated. However, with much regret and much haste, I must be departing from our conversation.
newb2342: da partiez @ 4, b there!!1
lolz3r: kthxbi!!!!11
by i made this box June 19, 2003

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Literally means, "Okay, thanks, bye" Usually said to be a bit more sarcastic and rude when trying to make a point. Used to end a conversation/point quickly.
"You're so stupid, don't ever talk to me again, kthxbi."
by priceisright August 01, 2005

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this means ok thanks bye

k = ok
thx = thanks
bi = bye
'ill drop round yours later to drop round your dvd, cya'
'kthxbi'
by Dave Gordon July 07, 2004

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To say three words at a time and to make everyone laugh because you said "Okay, thanks, bye."
Girl: oh my god, i forgot my phone in the bathroom. dont let me fall asleep kthxbi.
Guy: You're stupid.
by MMMCheck July 25, 2009

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"Ok Thanks Bye"
"d00d STFU and GTFO KTHXBI!"
by Felicia January 31, 2003

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when godzilla strikes were all going to die a horrible horrible death!!!!
(ps on a stick)
moo
kthxbi
by hobo powers September 07, 2003

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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