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A messy substance produced by small children that can be found on toys, clothing, and whatever else a child manages to get their hands on. No one is entirely sure of the exact composition of kinderscum, but it is widely believed to be a mix of snot, spit, melted candy and partially digested cheerios.
1. The Woman handed the cashier a toy that was covered in kinderscum.

2. "What's that covering your baby's face and clothes?"
"Oh that's just kinderscum."
by DigitalWings August 20, 2007
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