When a girl rides you regular style (not reverse cowgirl) facing you and sticks her finger up your asshole. Usually pronounced with an accent (think Spanish) so slider sounds like "Sly-ther"
When was the last time you had El Monterrey Slider?; well that's not long enoughmy friend Man Homes I just had an El Monterrey Slider and Chit does her finger stink!
Its used as an alternative to the expression ' to close the stable door after the horse has bolted. ' for example it is relevant to leaving a situation that is liable to impending doom. Imagine a giant huntsman bursting open with thousands of spiders running around your house. Also relevant to teachers leaving their profession before having a nervous breakdown.
My mate stole from her employer and thought she got away with it but staff stopped speaking to her all of a sudden, so I said to her, don't you think its time to get out before the spiders hatch.
A Kansas City slider is a pole dancer who seductively dry-humps the stripper pole during a performance, feigning masturbation, while wearing an extremely brief costume. The sheer public eroticism of the act is has a sure impact in encouraging larger amounts of tips.