post it
/ˈpoʊst ɪt/
noun
- A small piece of paper with a strip of adhesive on the back that can be stuck to surfaces and removed easily, used for notes and reminders.
- She wrote her grocery list on a yellow Post-it.
- He covered his monitor with Post-its to remember his tasks.
- I left a Post-it on the fridge to remind you to buy milk.