An M head is a person who likes to indulge in the usage of molly a little too much.
Wow she was rolling so hard last night she's such an M head
by litbabyboi July 21, 2018
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A person with a hairline that is in the shape of an M. People usually find this disgusting and it is of the view of many that these people should be hunted down and locked away.
Lee Hicklin is such a moron, he has an M head!
by Sam the cool man August 5, 2008
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