Top Definition
(Can be used as a noun or verb.) To perform a Nuclear Fallout Smoothie, at the end of intercourse one person must release all bodily fluids into the mouth of a recipient. For a male, he would have to cum, burp, vomit, piss, shit, cry, sweat, and bleed into the recipients mouth. For a female, the sperm can be replaced with menstrual fluids.
Note: The Nuclear Fallout Smoothie has never been performed successfully.
Colin: "They say I'm atomic."
Krantz: "Why is that?"
Colin: "Because I Nuclear Fallout Smoothie those bitches."

"Danny, is something the matter? You've hardly touched your Nuclear Fallout Smoothie."
by Colin Davis October 09, 2006
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