Gyatt or gyat is a slang term that is used to express strong excitement, surprise, or admiration. Gyatt is most commonly used as an exclamation in reaction to seeing a large butt (that is, the buttocks) and may be used as a noun to mean a large butt.
The slang gyatt is an exclamation used to express excitement or shock, especially in reaction to seeing large buttocks or a voluptuous woman. It is often used as a hashtag in videos of curvy women or, much less often, men.
As a noun, gyatt is typically used to mean a large butt.
Example: Did you see the models in that video? GYATT