I have some Hebrew questions
I don't understand these sentences' meanings. Can anybody explain them to me? and tell me how to pronounce them. Thanks so much!
1/ אז יללה,ביי
2/מה נש
3/אחי נש
4/ על הפנים

Question

I have some Hebrew questions
I don't understand these sentences' meanings. Can anybody explain them to me? and tell me how to pronounce them. Thanks so much!
1/ אז יללה,ביי 
2/מה נש 
3/אחי נש
4/ על הפנים

Answer

all are slang.
1. אז/טוב יאללה ביי- az/tov yalla bye - as goodbye at the end of the conversation.
2. מה ניש?- ma nish- what's up?
3. אחי - achi - bro'.
4. על הפנים- a'l hapanim- very bad.