Originated by the Legit Squad, in Scarborough, Canada.
It is used as a remark when something impressive or sexual occurs ;)

A racist white girl who claims she's black and from zone 6. She doesn't know how to speak. She's racist because she's identifying all black people as ghetto people and identifying all black people act how she acts. She has probably never been to school, and her parents are most likely ashamed of her.

bitch who looks like a horse and who is flatter than a stick of butter

After the viral video of the same name where a racehorse bolts off with an inexperienced rider on board: A feeling of being totally out of control in a dangerous situation where the only certain outcome is that it's not going to end well.

a really cool dance move that is way better than the dab, the whip, or the hit the quan.

A girl who thinks she’s black but is white with her paper skin haven ass

A quote by YouTuber YandereDev. The phrase is often used in YouTube video comments to convey a feeling of awe or excitement, or to sarcastically mock poorly designed video game elements.