on fleek

To look mentally retarded in some way

You eye brows are on fleek

by LightninGamer May 13, 2015

fleek

English slang means awesome

That was a fleek game.

by Alycyn December 1, 2009

On fleek

judging by 13 of the top 20 definitions, it's a way to describe someone's eyebrows

OMG Abraham Lincoln's eyebrows are on fleek!

by Mukachang September 13, 2018

on fleek

When something is perfect, or going right, or on point

Person 1: Wow, look at Lee Pace's eyebrows!

Person 2: Eyebrows on fleek.

by bohemianrhapstory January 3, 2015

Fleek

Flawless Letting Everyone Else Know

You are fleek with them eyebrows girl

by The real-one January 26, 2015

on fleek

lookin good originaly used to represent good shaped eyebrows

girl yo eyebrows is on fleek

by zexyam17 December 15, 2016

fleek

v. to sing the song of one's people in a traditional manner, usually while dressed in ancient garments.

You have never heard the national anthem of Estonia? Then allow me to fleek.

by xxreptarlampxx December 8, 2010