(usually plural, ie bikini flails)

The chest of a very well-endowed and skimpily dressed woman, who looks like she could slap you unconscious with them.
I asked Maureen for a closer look at her rack, but she knocked me out with her bikini flails.
by MatthiasFW September 29, 2006
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when censors make it look as though an aniime character's wearing clothes, when they're not
by v1cious April 1, 2005
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The bikini should only be worn by a girl, if she is reasonably thin, and her boobs are big enough to stick out past her stomach.
Man, she follows the bikini rule perfectly.
by Bariatijmkcb December 15, 2007
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A style of bikini made popular in Brazil that is designed to only cover 1/3 of the buttocks and to expose the rest.
Is that beach babe wearing a Berrydog Brazilian Bikini?
by designer92109 October 5, 2015
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When you accidentally get Sperm on a bikini at the beach.
While having sex, at the public beach, I accidentally got some semen on the girls bikini bottom, ....a bikini oops
by whiplash'67 October 22, 2014
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The result of solar exposure to a fair freckled female. The aftermath is most noticable when the Irish maiden is nude, and the inverse of her bikini manifests itself in all of its pasty glory.
Irish Kelly, naked, after a long day at the beach.

Glenn: Kelly, why does it look like you're still wearing clothes?

Kelly: I am, if a Ginger Bikini counts as clothes.
by G M Morris April 1, 2010
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Worn by most of our dads in the 70's and 80's, these bold and daring man-knickers leave far less to the imagination than full cut briefs or boxers. After the 80's, these became far less popular in America. In Europe and South America, these are simply just briefs or mini-slips and less thought is given to them. On the other side of the spectrum, they're extremely common for men in Australia and New Zealand.

They are often visible by a man's briefline, especially in slacks or gym shorts.

Today, at least in America anyways, they're mostly reserved for serious bodybuilders, Jersey Shore type douchebags and gay men. Also, PE Teachers over 40, fraternity hunks, midlife crisis dilf professionals and cocky athletes make up a sizable portion of the segment. In England, a sizable amount of the tracksuit wanker males tend to wear them. Some lads are suckered into wearing them by their girlfriends and end up loving them. Guys named Chad, Todd, Alec and Marc will often wear bikini briefs.

They're essentially just cotton speedos - with a fabric covered waistband and two or three inches of material on the side. They come in solid colours, prints and stripes. Jim Palmer made these very mainstream when he began sporting them in major magazine adverts in the late 70's making them extremely popular for the Jockey line and defining the style.
"Dood - did you see Charlie changing in gym? Red Bikini briefs? Really? Cynthia has him totally whipped. We need to totally give him a wedgie! I hope there's even enough fabric..."

"I will not date a guy who wears bikini briefs. My dad wears them and that's just - ewwww. I just never would. Boxer briefs please!"

"Nige looks SO hot in his bikini briefs. He wears his jeans just low enough where we can see a hint of them when he bends down. All his muscles and curves make him irresistible in them. Wish more guys wore them. So hot!"
by BumLuv86 July 17, 2020
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