Top Definition
a person that kills all fun/shits and giggles. boring not interesting person or annoying people.
"Don't talk to those kill fucks, they are boring as hell"

"watch out the kill fucks are coming"
by shits&giggles November 25, 2009
to engage in sexual intercourse with until victim, I mean, partner has stopped struggling
"I done killfucked da shiznit out o dat hizzo!"
by tug July 10, 2003
Free Daily Email

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

Emails are sent from We'll never spam you.