look up any word, like sex:
an erection, an erect male penis, boner
"I was at the strip club, watching the girls, picking up a load of lap lumber"
by thetommeister November 07, 2008
Gettin a boner, erection, a woodie.

I was watchin the porno and got a serious case of lap lumber
by thetommeister March 07, 2009