[General] nix/nicks? on your chin?

[dreakx]

GO TO 9:40, or a bit earlier to get the context
https://www.youtube.com/watch?v=dxk3fYnUilY

What I understand is that losers will be chipping (undermine) you like some birds chip the barks of trees, but I didn't get the other expression. Can you help me?

 

[Tarheel]

What other expression?

 

[Tdol]

It refer to nicks, a small cut made by something like a knife- individually, they don't mean much, but they build up into something more serious.

 

[jutfrank]

like little nicks at your shin