1 definition by Rack_em

Top Definition
(Pronounced - kit-boo-y) An acronym for knocking the bottom out of it. Meaning that a man would bang a woman so hard that he would end up knocking her bottom out.
Did you see that blonde at the bar with the huge tits? I'd ktbooi.
by Rack_em July 15, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.