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Derived from the Polish word "misiu" meaning "teddy bear", it is the act of being a misiu. When someone is being misiuie, they are charming, loving, adorable, irresistible, delightful and you just cant get enough of them.
"aw bebe your being so misiuie today!:)"

"i love your misiuie smile!"
by lalkaaa February 22, 2010
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