"Schyeah" is a
popular way of pronouncing "yeah," notably popularized by the
American rapper "Playboi Carti", Playboi Carti uses the word as an adlib in his songs.
The term saw its first appearance in the song "Pop out" by Playboi Carti.
The word had its big breakthrough with the track "Different Day", which is an unreleased track by Playboi Carti.
Some people may even have noticed the word in the song "CARNIVAL," a track from the album "VULTURES 1" by Kanye
West featuring Playboi Carti.