0 the soft part of your face that is below your eye and between your mouth and ear: --
2 either of the two halves of your bottom --
3 to be rude to someone: --
4 either side of your face below the eyes, where except at the top the skin has no bone behind it and is therefore soft: --
5 rude behavior or lack of respect: --
[ + to infinitive ] First he messed up my work and then he had the cheek to accuse me of being disorganized.