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2. smlash
semi lash
like when ur with a guy and ur having sex and it flops half way thru- smlash.
1. Smlash
The deposit of sweat that forms at the top of the butt crack even when one is not particularly hot.
When placing my thumb on the inside of my pants to straighten out my belt, I encountered a small patch of Smlash.
by The Dave Jun 9, 2004 add a video
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