A normal size penis with a tiny mutant penis growing off of the side of it. (In formal situations it is proper to speak of a grunndell in a scottish accent)
I need one hand and three fingers to jerk off my grunndell. or Would yah like tah touch mah grunndell, laddie??!
by ILoveTits1022 October 15, 2007
Get the grunndellmug.