fleek
/fliːk
/adjective (usually in phrase on fleek) US informal
Extremely good, attractive, or stylish: my hair is on fleek right now OMG the music is on fleek have you ever seen anything so fleek in your life?...
- Camila's eyebrows were on fleek on the red carpet.
- I'm over here all red-faced and sweating, while Anderson's ponytail and makeup are on fleek.
- Emma's wardrobe has been on fleek the whole time she has been presenting for the show.
Origin
Early 21st century: apparently an arbitrary formation; popularized in a 2014 video post on the social media service Vine by Kayla Newman (‘Peaches Monroee’).