1 definition by GMer56

Top Definition
1) A roommate who is inactive most of the day, and requires a massive stimulus to be woken up.
2) The best kind of roommate
Girlfriend: "Who's that?"
Boyfriend: "Who? Oh, that's my roomlump. I only met him once."
Girlfriend: "But it's the second semester..."
by GMer56 September 29, 2010

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