When two males press their firmly erect penises (head to head) and each man presses as hard as he can until the end result is the "drumming" of one mans penis onto the other mans stomach to make the drumming sound.
by DSquad September 19, 2013
Get the tummy drummermug. by The Wise One from Arizona April 11, 2023
Get the Tummy quakemug. by Tummy tumbler January 2, 2021
Get the Coochie tummymug.