1 definition by Edgar E

A person who kills the flow or vibe of a moment or just messes up the situation by coming in when not wanted or when they say or do something that is unexpected and interrupts the current trend of the moment...usually irritating the people or environment around them.
"This fool killed it by coming to the party."

"I was on the last level of super mario bros and my cousin killed it by stepping on the f'n cable."

"Edgar's new name is killer, because everytime we go out with the ladies this fool has to kill it and scare them away."
by Edgar E October 21, 2007
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