a person who sports a horseshoe haircut. usually in the middle aged sector of society
"thats a fair mooners you've got round that head of yours"
by Rob Nash April 05, 2004
an individual who regularly exposes his ass in public - expressing a latent homosexual desire for anoreceptivity
I heard Sigmund Freud was a mooner during his medical training
by Chester "Shorty" Cox April 18, 2008
the act of whipping down ones pants and bending over to reveal ones ass cheeks.
SNAP! Yo moms hung a mooner and I saw her fucking snapper!
by bt February 20, 2003
Someone who believes the moon exists.
That mooner doesn't understand the irony in believing the moon is real but the moon landing is fake.
by NotEric September 06, 2012