freshen up
Beginner (A2)neutral
To wash your face, fix your hair, or tidy yourself up quickly so you look and feel better.
"We arrived at the hotel an hour before dinner so we could freshen up."
Hear it in context

Sheldon & Amy Get Food Poisoning | The Big Bang Theory
The Big Bang Theory · 0:33
freshen up.

I Cut My Hair Short… Now I Don’t Know What to Do (Learn Hair Vocabulary in English)
Go Natural English - Real Life English with Gabby · 6:58
I just want to freshen up.

1 Hour of 'The Big Bang Theory' to Watch While You Procrastinate
The Big Bang Theory · 22:58
I WAS GOING TO FRESHEN UP FOR YOU,

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The Big Bang Theory · 55:17
I was going to freshen up for you,

1 Hour of Season 5 That Kept the Streak Alive
The Big Bang Theory · 22:11
I WAS GOING TO FRESHEN UP FOR YOU,