1 definition by xanaxnation

Top Definition
a person that leaves his bf/gf/so/partner for a new one, and then leaves that person for a new one. and leaves that person for a new one, etc.
Allen has ship jumper syndrome, he left Jessica for Jane and left Jane for Valerie. He's like a rat jumping off a ship he thinks is sinking.
by xanaxnation October 13, 2010
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