Whatever “it” happens to be.
Break out the crayons.
Or colored pencils, or markers, or paints. Whether you commandeer a coloring book from a child or just go free range on some notebook paper, art is good way to zen out.
Start a Netflix marathon.
Real life Netflix won't judge you for watching every episode of Buffy the Vampire Slayer in one sitting, and it'll definitely take your mind off anything that isn't snarky comebacks.
Teach yourself to bake something complicated.
Like rainbow cheesecake. Novice or expert, baking requires your full attention.
Google Ferret Hat.