Top definition
Singular; rare species characterized by the following traits:
1) gayness
2) fatness
3) douchbagness
4) stupidity
5) delusional - thinks it has swag & often speaks of being "jacked".
Treat with caution; Exposure to this species may lead to serious consequences.
I saw a Masoum the other day.

Bro, you're being such a Masoum.

The guy thinks he's jacked; he's being a Masoum.
by WA ED November 07, 2011
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