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These girls are unique. They are stunningly beautiful, almost too much so. They have a very nice ass, usually long pretty hair. They usually have more guy friends than girls, coolest, funniest, funnest chick to hang out with.
Boy1: Damn, that girl is amazingly beautiful!
Boy2: Yeah! She's an Ecco.

She's the coolest chick to hang out with, such an Ecco.
by danny99 May 29, 2010
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