A newly-established term stemming from the internet social network crowd, meaning to remove someone from a list of friends. The term is misleading because usually neither of you were friends to begin with. "Defriending" is essentially a way of cutting off already useless communication with cyber-people.
Typical Person: "I had to totally defriend Margaret Mary. I don't want that slut looking at my profile anymore."
Sarcastic Person: "Sounds like the breakup was hard on everyone."
1: The combination of semi-average looking prostitutes who apparently aren't looking to get laid any time soon and a disturbingly obnoxious phrase taken from one of the internet's many social "geniuses".
2: 15 dollars for a shirt that says "lol".
Snoorgtees Ad Exec: "Would you care to fill out this Snorgtees survey?"
You: "Get Bent."
Ad Exec: "That's great! We can use it on a shirt with a picture of something bent!"