Definitions

1. noun

a balloon or other inflatable device used as a promotional or attention-getting device, especially one given away at an event or attached to a product.

“The company handed out probaloons to advertise their new product launch.”

2. verb

to promote or publicize something, especially a product or event, by giving away balloons or other inflatable devices.

“The marketing team decided to proballone the new restaurant to attract more customers.”