1. with flying colors easily and excellently, with complete or outstanding success She won the science fair with flying colors.

2. tickled pink to be very pleased or delighted by someone or something She was tickled pink to be awarded a Dining with Dignity prize.

3. blue in the face to be very angry or upset, to be excited and very emotional The librarian told the students the check out procedure until she was blue in the face.

4. gray matter brains, intelligence When students use their gray matter, it makes learning much more facile.