This time around, from Maxim magazine:

• Bed mine: When the girl you’re dating on the side leaves her underwear in your bed, creating a potential hazard when your real girlfriend/wife comes home.
• Girlfew: A derivative of curfew. Pertaining to the time at which a girlfriend, wife, or significant female other, tells her man he has to be home. A girlfew is normally imposed when the guy is out with his friends and she’s not invited.
• Hit the girlfriend button: Pausing an Xbox or Playstation game because your significant other wants to chat.
• Porky pigging: Wearing a shirt but no pants.