Yes, you can run Pidgin on Mac OS X. Pidgin is a cross-platform instant messaging client that is compatible with a variety of messaging protocols, including AIM, Google Talk, and Yahoo! Messenger.
To run Pidgin on Mac OS X, you will need to download and install the Pidgin application. You can download Pidgin from the Pidgin website (https://pidgin.im/) or through a package manager such as Homebrew.
Once you have installed Pidgin, you can launch the application from the Applications folder or from the Launchpad. You will then be able to configure your accounts and start chatting with your friends and colleagues.
Keep in mind that Pidgin may not support all of the features that are available on other messaging clients that are native to Mac OS X. If you are looking for a more fully-featured messaging client for Mac OS X, you may want to consider using another application such as Adium or Messages.
For more information on using Pidgin on Mac OS X, you can consult the Pidgin documentation or seek guidance from the Pidgin community.