Spanish phrase
Que descanses.
Meaning
Get some rest.
When to use it
Doubts that rest is possible for the person. Used sarcastically to reject a suggestion to rest, common in informal speech among friends.
Example dialogue
Tengo tres informes que entregar mañana y casi no he empezado.
I have three reports due tomorrow and I've hardly started.
Que descanses.
Get some rest.