Snail tracks refers to the natural lubrication of the vagina when a woman is excited. A snail leaves a slime track, and this is attributed to a woman who is horny and sitting down.

A euphemism for “kill me” now that composting oneself after one’s death has become popular.

Residual mucus, or snot, left on the upper lip after blowing your nose. You're not aware of it.

leaving pussy lube on a persons face

Smearing vagina juice on the face of someone. The female version of tea bag, except more wet and insulting.

When performing a lap dance, strippers will rubb there clitoris on the customer's pants. During this process the stripper will become aroused and her natural sex lubricants will seep out of her vagina onto the recipiant of the lap dance.

After a couple of minutes the natural vaginal lubricant that seeped out onto the customers pants will dry and get crusty thus leaving a "snail track" down the patron's pants.

When a man has semen traces in his underwear.