One who has not encountered sexual intercoarse with a tree. (preferably Big Willy.)
"Look at that tree virgin! Stay away!"

"Big Willy has not yet taken the virginity, of that Tree Virgin"
by Hogan Martin** April 17, 2006
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If you're a tree virgin, you've never climbed a tree before. Most people lose their tree virginity when they're just children, but some people remain tree virgins their entire lives....what a shame.
1. "I'll be back soon mom. I'm going to the park with Sally. We're going to lose our tree virginity together."
by fessefessefesse March 13, 2010
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