look up any word, like blumpkin:
1. When somebody has a raging boner in the middle of a school class or lecture.

2. When you get a hand job and it is stopped short, leaving you with a raging boner.
"Dude your boner is HUGE"
*Looks down
"Yeah, I got a MAJOR Hornstalk
by SuperDevilHorns February 24, 2012