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The crud you didn't quite clean off your mixer the last time you used it, that falls off this time when you're making muffins. A combination of mixer and excrement.
I was making cupcakes for my dad's birthday when I noticed some of the leftover mixcrement from last week's cornbread batter, dried and brittle, fell off the mixer stem and into the cupcakes. Yuck.
by echolaliababy November 25, 2009
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