Perk up

What is Perk up?

Perk up definition and meaning on Dictionary terms:
verb (used without object)
to become lively, cheerful, or vigorous, as after depression or sickness (usually followed by up): The patients all perked up when we played the piano for them.
to act, or carry oneself, in a jaunty manner.
to put oneself forward briskly or presumptuously.

verb (used with object)
to make smart, trim, or jaunty (sometimes followed by up or out): to perk up a suit with a new white blouse.
to raise smartly or briskly (often followed by up or out): to perk one’s head up.

perky; jaunty: a perk manner.