Top Definition
(verb) - to remove someone from your friends list on a social networking site. it is a play on the words 'friendster' and 'defenestrate' (to throw out a window)
Man I cannot believe that shit JP pulled at the bar. I defriendsterated him as soon as I got home.
by aaronfrancis February 08, 2010
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.