What is Hwi krek?

Hwi krek is a strong argument used to shut the other party eternally

Ahmed : the math lesson today was very eas-
Ayman : Hwi krek

Hwi krek - video

Hwi krek is usually used as an argument to make the other party shut up

Ahmed : I think the math lesson was a little eas-
Ayman : Hwi krek