It refers to any individual who is a homosexual. In order to reverse yourself from being homosexual you must say non don
Person 1: Bro why are you don bro
Person 2: Non don
When one is feeling extra dirty they use Dons instead of McDonalds. This is how you know if one is feeling abnomally greasy on a given day.
Damn bro, that chicks vag was extra wet on my momma. PU Dons.
A term used for a nicotine vape; commonly used by HK students
Jack D: “Yo dude lemme tap that fucking don”