bass pedal

Bass pedals are an electronic musical instrument with foot-operated pedal keyboard with a range of one or more octaves.

Dude, that was a sick beat with the bass pedal

bass pedal by max novack March 3, 2008

Double Bass Pedal 

When a dude sticks one foot in each of his partners respective holes.

Kathleen likes the Double Bass Pedal. You know, left in the goo and the right in the poo.

Double Bass Pedal by kat banana 2 October 9, 2009