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1) Someone with great determination and stamina who never gives up and is strong through everything.

2) Someone in a great rage or anger
Omg she's such a MILBEAST you go girl!

Oh no she's MILBEAST again...

by Jesusrafaelchris July 06, 2016
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Oct 3 Word of the Day
I couldn’t care less (but one must keep up appearances, right?)
Frenemy has a family tragedy. "Thoughts and prayers."
by November 05, 2018
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