The act of using a 9 volt battery sparingly during oral sex on a woman. As to illicit same results of placing on tongue. Preferably a used battery from a smoke alarm or clock to avoid injury, also avoid continuous contact and utilize dot-dot-dash method. (I.e. da-da-da-da-da-dah-da-da, nickelodeon).
I did the 9-volt shocker on her last night and she liked it until she found out what it was and slapped the crap out of me.