1 definition by FatF***s

Top Definition
The act of lying sprawled-out and helplessly on one's back after ingesting so much food, the fullness is almost unbearable.
After spending two hours at the local all-you-can-eat buffet, Billy says to Bobby,
"I don't think I can walk out of this place; I'm going to have to beach whale it here for a while."
by FatF***s March 14, 2012

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