'freshen up' definitions:

Definition of 'freshen up'

(from WordNet)
verb
Make brighter and prettier; "we refurbished the guest wing"; "My wife wants us to renovate" [syn: refurbish, renovate, freshen up]
verb
Become or make oneself fresh again; "She freshened up after the tennis game" [syn: freshen, refresh, refreshen, freshen up]