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."
"Fair."
"Don't worry man, she's my alternative root tonight."
"Fair."
by Jerkov and BOF November 5, 2009