Idiom
good and something
Theme: AMOUNT - MUCH
very something. (The something can be ready, mad, tired, worn-out, etc. Fixed order.)Now I'm good and mad, and I'm going to fight back.I'll be there when I'm good and ready.He'll go to bed when he's good and tired.
Slang
good and something
Theme: VERY
mod. thoroughly something. (Where something is an adjective.)I am really good and mad at you for that.We are good and ready to do something about it.