1 definition by midnightflame

Top Definition
IMP
Insane Monster Period. When your monthly cycle is particularly bad and/or driving you insane.

Pronounced like "imp", like the tiny devil that it is (not I-M-P like an abbreviation.)
Why are you stumbling around like a drunken psychopath?" "Oh, I'm just going to pass out from blood loss from this stupid IMP.
by midnightflame August 06, 2011

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