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Use "mousie" in a sentence
"A pencil eraser – size mousie is the plump, juicy larva of the drone fly, and when one gets shredded by biters, particles will fall off like confetti and often start a feeding frenzy."
"The panel shows him taking a big bite of cake, and spitting out the "pop out mousie girl" with a bit "Patoooooie," which cracked Mason up deeply."
"Boy, sumboddy luks grumpy for habing a nice tasty mousie snak"