Download the script and place it in your /Library or ~Library /Address Book Plug-Ins folder.
Quit and Restart Address Book.
Choose an Address Book entry and Right-Click / Option-Click on a person's email address.
Enjoy Spock!
Here is the Address Book Script. Right Click and save the file to your computer: SpockPower.scpt.
You may need to rename the file and remove the .txt extension.