Top definition
Usually exists in hostel or dormitory.

A person who had difficulty to fall asleep, and disrupts his/her roommates' good night sleep.
My roommate always stays up at night, switching on his jukebox playing Justin Bieber crap and becoming a nuisance. I didn't get enough sleep and ended up having insomnia.

What an insomniac maniac.
by chrno August 14, 2010
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