chirk up

Found in Anh - Anh (Wordnet)

Definition Verb : - To become cheerful or to make someone cheerful; to brighten up or to cause someone to brighten up. Usage The verb "chirk up" is used to describe the action of transitioning from a less cheerful state to a more cheerful one. It can be used both reflexively (to describe one's own change in mood) and transitively (to describe causing someone else's mood to change). It is a some...