The crease between a woman's booty and her legs. On an extremely sexy woman bootybrows become fleek bootybrows.

P.S. Onision is a cuck
Damn, look at that lady in the bikkini. Her bootybrows are on fleek.
by Hmhoned June 22, 2016
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The creases between a woman's booty and her legs. On an extremely sexy woman bootybrows become fleek bootybrows.

PS. Onision is a cuck.
The Bootybrow is Better than thighbrow
by Tuck55 June 22, 2016
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The creases between a woman's booty and her legs. On an extremely sexy woman bootybrows become fleek bootybrows.

PS. Onision is a cuck
by Onisionion June 22, 2016
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The creases between a woman's booty and her legs. On an extremely sexy woman bootybrows become fleek bootybrows.

PS. Onision is a cuck
Guy 1: DAMN boi have you seen Kim's bootybrows lately? They've gotten better.
Guy 2: Meh; Onision's are better.
by DaniTheDino June 22, 2016
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The creases between a woman's booty and her legs. On an extremely sexy woman bootybrows become fleek bootybrows.

PS: Onision is a cuck.
A: I like your bootybrows.
B: MY BOOTYBROWS?! You mean FLEEK bootybrows..!!
by emmaisaslut June 22, 2016
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A line formed under a person's butt cheek. A word made up by youtuber Onision.
Damn gurl that bootybrow! Wanna see mine? On fleek!1!1!!
by VasiaAnn June 22, 2016
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The creases between a woman's booty and her legs. On an extremely sexy woman, bootybrows become fleek bootybrows.

P.S. Onision is a cuck.
"I went to the beach yesterday and saw loads of fleek bootybrows and bikinis"

"I wonder what Hillary Clinton's bootybrows look like"
by I HAVE NO NAME ONLY RAGE June 22, 2016
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