Top definition
a move in chess that defies all normal rules. it can happen whenever, wherever. But only to people that do not use chess timers with names on the back.
"Woah, Rebecca, what did you do?"
"I did a Butterfly Jump, AKSHAY. i rape you at this game... cheater."
by Akshay R February 12, 2009
Get the mug
Get a Butterfly Jump mug for your cat Julia.