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N. (Old English). A friendly member of the opposite sex, known for their promiscuity and generosity, who can be relied upon, after an unsuccessful night chasing tail, for short-term gratification.
"Mate, why are you still friends with that Hayley chick? She's so wierd."
"Don't worry man, she's my alternative root tonight."
by Jerkov and BOF November 05, 2009
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