When one man is in the downward dog position, another man approaches from the rear in a crab walk inserting each other’s penises into the reciprocating anus, while relocating testicles to one side allowing for maximum grundle on grundle contact.
The act of getting in the 69 sex position and focusing all of your oral attention on your partners grundle. This act can be preformed by both heterosexual and homosexual couples.
Marc do you want to perform grundle play tonight? It would be a good time since both our grundle's have a musk to them and my asshole is sore from Popa Tuesday.
1. The small particulate matter or shake that remains in a stash of marijuana once all of the larger "dank nuggets" are gone.
2. (In male human anatomy) the area between the scrotum or ball sack and anus or butt hole respectively. Also commonly referred to as the taint.
1. Dood grundle is like smoking dust.
2. When I wrecked my bike the seat hit me right in the grundle.