Make someone’s day: to make someone feel very happy
Example: Her smile made my day
Walking on air: feeling extremely happy
Example: After he won the race, he was walking on air
A tough cookie: someone who is strong enough to deal with difficult situations
Example: Sue is a tough cookie. She doesn’t give up easily
Cut to the chase: get to the point
Example: Stop wasting my time and cut to the chase!
Play the fool: behave in a silly way, usually to amuse others
Example: Stop playing the fool and go do your homework.