Top definition
boners that seem to come from nowhere, and for no reason. Can tend to be embarassing, and can often lead to extremely humorous moments.
One guy: Dude ive been getting alot of mystery wood lately.
Other guy: What the fuck is mystery wood?
Guy grabing a hold of his boner: THIS!
Guy with boner: Exactly theres no reason for this, why did it show up, well never know.
by Themi Theodos May 09, 2009
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