The frothy mixture of pre-cum and smegma that builds up around the head of an uncircumcised penis during masturbation.
1. Horrified, Vickie realized only too late that the slippery substance on Mike's keyboard was snicle.

2. Jonathon was always playing tricks on Julia. Once he dabbed a small amount of snicle on the lip of her soda can and chuckled to himself as she unknowingly took a sip.
by Jdog1 July 25, 2009
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