Noun
post-it note (plural post-it notes)
A small piece of paper with an adhesive strip on one side.
Synonyms: (informal) stick note, sticky note
post it note
It's like a Post-it note: ‘insert plan here.’ Source: Internet
She accused Buttigieg's plan of being akin to a PowerPoint presentation, and called Klobuchar's proposal "a Post-It note." Source: Internet