describes a situation when a man has had an erection for an extended period of time, this is often induced by taking viagra
"this things been up for more than 5 hours"
"sounds like you have permawood"
by cordaborb August 3, 2007
Get the permawood mug.
A state of continual arousal by the right sort of man, resulting in the delightful presence of a boner at all times. Permawood is an integral component of a successful quantum fuck.
My quantum fuck has the greatest permawood you can imagine. I get a porngram before I've finished the last one, all day long! He's definitely a keeper.
by petuniafarmer January 29, 2009
Get the Permawood mug.