1 definition by jacko23

Top Definition
Acronym for "KNOCKED THE FUCK OUT" - used to describe someone who was not just knocked out in a contact fighting sport, but knocked unconscious.
Did you see the Lyoto/Evans fight? Evans was KTFO!!!!
by jacko23 September 21, 2009

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug