When you clean your hands at a restaurant by rubbing the condensation off of your glass and then wiping your hands clean with a napkin. This maneuver is most commonly used at diners where the bathroom is so filthy that using the sink leaves you less sanitary than when you walked in.
"Hey man, do you need to wash your hands before we leave? You had a lot of those wings"

"Nah, that bathroom looks like the inside of a silver back gorilla's anus, I'll just use the Diner Wet Wipe"
by SultanofFez January 8, 2019
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