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someone who participates in the act of coitus interruptus with total disregard for clothing and furniture, typically resulting in some type of stain resembling a banana slug trail, often the perpetrator is hard to uncover, thus dubbing them a bandit.
ex 1
man 1: dude whats that on your shirt?

man 2: oh shit!!!

man 1: dude, you shoulda changed before you went out today

ex 2
Jeff: you don't want to sit on that couch, the banana slug bandit struck last night!
by 1armwonder March 21, 2010
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