1 definition by tyson86

Top Definition
Usually takes place after a heavy night of drinking. This is where the female will stop at nothing and is desperate to have sex. Completely neglecting the fact that you may have whiskey dick, she vigorous "mashes" her vagina into your penis in hopes of stimulating a flaccid erection
"Man, Dana was mashing potatoes all night long"
by tyson86 August 08, 2007
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