Bitch-pole

When you are having sexual intercourse with your girlfriend, and she unexpectedly whips out a strap-on and fucks you in the ass against your will, thus making you her bitch.

Noun: Dude, I was banging my girlfriend last night and she took out the bitch-pole. My ass is really sore today.

Verb: Dude, she totally bitch-poled you!