crow about (something)

1. Literally, to squawk, as of a rooster. What is that rooster crowing about now? It's not even daylight yet!

2. By extension, to brag or boast about something. You know, no one likes it when you go around crowing about your successes in business.

Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.