Top Definition
To teabag someone who is holding a shot of rum in his/her mouth.
Man, Wanda gave me a rum ball the other night and my balls burned so good.
by mystical baker December 14, 2010
2 more definitions
unbaked cookie that contains rum usually appears around christmas

what a guy has after imbibing too much rum
"pass the rum balls i need a buzz"

"i gave head to my boyfriend after the party, and he had serious rum balls"
by tokyo rose January 13, 2007
A Child who suffers from their mom having drank alcohol while pregnant with them. Sometimes known as FAD Fetal Alcohol Syndrom.
"poor Nicole, It's not her fault she's a rum ball"
by Elightz May 11, 2009

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