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A towel, rug or other material laid out to catch sex fluids and juices during coitus to avoid dampening or soiling the underlying surface.
We put down a towel for our cum mat so we didn’t get jizz all over my mom’s new bed spread.

My boyfriend put a tea towel down on the kitchen counter for a cum mat and proceeded to bang my ass.

Our cum mat was soaking wet after I squirted multiple times but the mattress was nice and dry.
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by A. M. Wood January 31, 2018
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