Definitions by Evan O'Day

Rolf!

The noise you make when you slip on ice in a parking lot, but don't quite fall.

I can't wait to get the new...Rolf!

Rolf! by Evan O'Day June 18, 2010

A musical genre that combines hardcore punk sensibilities with extended jams featuring skilled musicianship.

No Not Now are the fathers of the jamcore genre.