U+1F501 Β· emoji since 2015
The repeat button loops two arrows in a circle. It means play it again, on repeat, and doing the same thing over and over.
It marks favorite songs stuck on loop and routines that come round again, the icon for one more time.
In texting, π does not carry a widely used hidden or slang meaning, so you can usually take it at face value. People send it just as it looks, to add a little visual touch or set the mood of a message. Only a handful of emoji have a separate texting code, and π is not really one of them.
Its official Unicode name is the Repeat Button emoji. In everyday chat most people just call it the repeat button emoji or describe what it shows. Copy and paste it from the button at the top of this page.
The π leads off a short phrase, and the rest of the words are written in cipher, every letter disguised as another emoji. Tap decipher to reveal the whole line.
Or make your own cipher in the translator.