English

Adjective

bright as a button ‎(not comparable)

1. (simile) Very bright (clever, smart, or crafty)
   • 1868, Sarah Stuart Robbins| - Ned's motto - page 42

     You needn't plague yourself about her no how, because she's bright as a button, and knows all about what you want and what you don't wan't, as well as a sensible being...

2. (simile) Very cheery, energetic and upbeat.