when an individuals facial structure resembles that of the moon i.e. having rounded features
Your moonface makes you look like you're storing nuts in your cheeks.
by muo February 16, 2004
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Moonface usually occurs when an individual has been smoking weed. Moonface often leads to mad hysterics, causing everyone on the bus to look at you. Characteristics of moonface are prominent cheeks, small slanted eyes, a massive stupid grin, and faceache.
"My moonface was so bad I could see my cheeks."
by gremily March 24, 2008
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When someone passes out (or it could happen during kinky sex, you decide) and someone else (usually of the opposite sex) bends over and takes an enormous crap on the persons face while simultaneously rubbing their ass cheeks into it, creating a sludgy pool of human feces all over the persons face.
"Yo, Dean, what did you do with your new girlfriend last night?"

"Rob, I moonfaced that bitch!!"
by Stuntz March 17, 2008
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Jessies steroid face with chickenpock craters.
"Jessie, your face is very fat and round today, you must have moonface."
by yessica! yallen! April 22, 2004
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someone whose face looks like they little mental capacity.
by moebate September 3, 2009
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The first genetically hybridized human/sasquatch. The creature displays a Lenoesque chin causing their face to take on the characteristics of the moon. This is further evidenced in the fact the creature was bred at night. There is currently only one Moonface known to exist. This one lonely creature is believed to be female but since it is quite elusive to capture...the necessary studying to determine such qualities has been hindered.
P1. Omg. Her face looks like a moon.
P2. Wow. It does. I guess she's a moon-face.
P1. I have heard of that. But isn't there only one of them??
P2. As far as we know.
P1. Could you imagine a whole society of moonfaces??
P2. Oh. My brain just shut down on that thought.
by MUTL33T February 17, 2010
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