look up any word, like the eiffel tower:
 
1.
Knocked The Hell Out
I stayed up all night studying for my test, aced it, came home and ktho.
by crzygx December 21, 2010
 
2.
When one or many don't do what they say they are going to do.
She said that she was going to hang out with us last Saturday but when the time came she just "KT HOed" us, so we went out alone.
by Doyng Doyng Doyng September 24, 2008