A type of volleyball serve (usually underarm) that goes extremely high and lands between the attack and net lines.
dude, that was a sick moonball!

the only way these guys are scoring points is from their moon balls
by annonymousAUS November 10, 2008
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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.
JT: I can't believe he just did that!
Ryan: Yeah, he's got some real moon balls, I tell you!
by J. Tizzle May 30, 2008
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In football, a terrible pass that is throw so high in the air that it looks like a punt.
Did you see that moon ball thrown by Jeff Garcia on thanksgiving day, 2005?
by mlive rules November 30, 2005
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