A man with some class who has the ability or skill to attract women at random. A smooth talker. A pantydropper. A man who has a very cunning method to lure women into his arms or into his bed.
That catbird on the dance floor has already got him a women loaded up tonight!
The bird chases the cat out of the front yard, hence the word catbird. Cause a true catbird is always chasing the pussy!
You can tell by the way he's dressed, that dude is a catbird!