Top definition
The act of giving a light tap a man's balls during sexual intercourse. Also known as a "Kansas City Locomotive".
Ben "Hey there baby. While you're riding me cowgirl style, how's about reaching down & giving me the ol' Pinball flipper?"

Stacy "Sure thing. And if you treat me right, I might even hook you up with a blumpy later".
by Biff J Kowalski May 23, 2010
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