Term used to assuage a suffering person and encourage them to persist or endure.
To validate and affirm
one to press on.
Metaphor to keep
one's head up and eyes forward on what lies ahead, opposed to how typically
one's gaze tends downward to the ground while in a sullen state.
This
will pass, keep your
chin up.
Chin up lads. We're almost through this.
They're that way with everyone that is new, just keep your chin up.