to excrete bodily fluid in a manner that floods over the waistline of your pants, skirt, or undergarments for the public to see.
Tomi: "Kehd, is Jenny having some wicked flow this month or what?"
Dominic: "Yea guy, look at that coastal flooding just washing out of her jeggings d00d."
by illy Wonka January 4, 2014
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Coastal denotes a lazy attitude and a go with the flow demeanour. It also can describe a state of mind as in "no fucks given"
Hey that guy just cut you off! Don't stress man I'm coastalas fuck right now.

Or
I need an answer here - I'm running out of time, why don't you guys don't care? We're coastal man.
by Memphis Meltdown October 27, 2017
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If you’re in this club you’re probably a back stabber
Coastal kingz Trying to be a big club but can’t keep good people
by Coastal Kingz December 6, 2021
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Doing something to rep your whole entire coast.
I have a coastal purpose to make this rap.
by Complexity June 6, 2005
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Coastal Fire Dept. are a grungy altrock band from the Vale parish of Guernsey who play their own brand of music often referred to as “Grunge from the Vale”. CFD love the north of the island of Guernsey and love to party.
“Have you see Coastal Fire Dept. yet?” “Nah I’d rather watch Britain’s Got Talent or Antiques Roadshow than Coastal Fire Dept.”
by Prince of L’islet May 8, 2022
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A bet with such high returns that there is effectively no risk.
That round you're playing is east-coastal.
by somersaulting March 25, 2010
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Slang for a large vagina. A.K.A Pussy
I drove down the kitty coastal last night, but my girlfriend got bored and everything wen downhill from there.
by Jiggs McGee December 21, 2010
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