Help with Egyptian slang and terminology

Hello. I am doing research on and am interestred in Egyptian youth, street and college slang for a project I'm working on.

I'd like to know:

what are Egyptian slang terms and expressions for:

tough guy

besides

gantaar and

Walad shawtir or walad chawtir?

Pleae let me know and please list as many slang terms and expressions as possible. Thank you.