Extra-large testicles. Size of moons. Tough guys. Something to brag about. Also a great name for a two-man volleyball team.
Not to be confused with the female version called the moon pie.
Not to be confused with the female version called the moon pie.
by J. Tizzle June 2, 2008
 Get the moon ballsmug.
Get the moon ballsmug. A type of volleyball serve (usually underarm) that goes extremely high and lands between the attack and net lines.
by annonymousAUS December 9, 2008
 Get the Moon Ballmug.
Get the Moon Ballmug. by mlive rules December 2, 2005
 Get the moon ballmug.
Get the moon ballmug.