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5.
Marine corp boot camp term for flash light
Ed did not have his moonbeam with him on watch
by jb23 November 26, 2006
 
1.
A really nice girl, who displays a pretty little shy smile when she's happy.

She doesn't talk too much.

You can tell how she feels though, by looking into her beaming eyes and watching for her little moonbeam smile!
Ted: I never noticed that cute girl before, but she's really got a beautiful little smile!

Fred: Yeah, Her smile is like a pretty little ray of light. We call her Moonbeam!
by Real 1ne May 12, 2010
 
2.
a slang for a flashlight in the the Marine Corps.
Sgt: Hey Pvt Jenkins! throw me that moon beam! its dark as hell in that camp.
Pvt: Here you go sir!
by Numlock June 29, 2006
 
3.
1. A governor from the state of California whose radical views earned him the name Moonbeam back in the '70s and early '80s

2. Replacement for the Governator
Will Governor Moonbeam save California? Stay tuned...
by calif2011 January 05, 2011
 
4.
Slang for a woman's genitalia.
Eddie: We were at the beach and this chick flashed he moonbeam at us.
by Marcus J Dawson December 31, 2007