Top Definition
A not so spectacular ejaculation! A male orgasm that lacks significant distance.
A great porn scene building up to a huge ejaculation, and all it was, was a meaningless boil over!
作者 Captain Wacky 2007年8月23日

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Australian horseracing slang for the unexpected defeat of a hot favourite; a surprise result. Later used in contexts outside horseracing for an unexpected result in any context.
Bulgarian Tszvetana Pironkova, the world No.94, caused one of the biggest boilovers on Rod Laver Arena when she came from behind to record a 2-6 6-0 9-7 victory over Venus Williams.
作者 Quintius 2006年1月15日

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A dribbling orgasm instead of an explosion. Also experienced by old people.
After too many orgasms, the guy only had a boilover
作者 cartman197 2006年9月14日

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when you don't know what to do and you have a panic attack
"I know there is so much on your mind, I know you wish you could rewind and go back to when the water was cool. cuz now you don't know what to do"
"I'm just trying not to BOIL OVER"
作者 gossipgay 2013年4月21日

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When the fat on a woman (or man) doesn't just go over the edge of the jeans (as in muffintop), but spills down them as well.
You see that muffintop over there? No, Jim, she is most definitely a boilover.
作者 IrishPh3n0m 2012年2月29日

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