a phenomenon that occurs on men and/or women when the temperature reaches a critical point that evokes diamond hard nipples, usually protruding through clothing.
Example 1 -

Person A: "Yo, it's mad nipplicious out here man!"
Person B: "I know! You look like you got yourself a nice pair of diamond cutters there!"

Example 2 -

Person A: "Does she not realize that it's nipplicious out here?"
Person B: "Yea seriously. She needs to put a bra on!"
Person A: "Yea like totally!"
Person C: "Wtf! Are you talking about my nipples? For your information they are real, and they are spectacular!" =)
by Diamond_Mon November 15, 2011
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A combination of the words nipples and delicious. Term used to describe a woman with very attractive breasts.
Damn! Check out those tits. That is one nipplicious babe.
by Strycher99 June 5, 2006
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