nice and (something)
Very something. Used to emphasize how nice something is because of the particular quality named after "and." I love your new house! It's nice and bright inside! Ah, this lemonade is nice and cold—just the thing for such a hot day.
nice and some quality
[being or having] enough of some quality; adequately; sufficiently. It is nice and cool this evening. I think your steak is nice and done now, just the way you like it.