Noun; A person who is a complete buzzkill, has no trust in anyone, and goes out of his or her way to ruin an event in which he or she is unhappy with.
by BushLover10 July 21, 2011
Get the Killdaymug. Get the Killdaymug. Get the Killdaymug. Get the Killdaymug. We'll email you a link to sign in instantly.