What one often does after a breakup -- usu. the end of a longterm, monogamous relationship -- which involves promiscuous sex and/or sex play with a variety of partners. Sometimes accompanied by malicious intent.
"It's only been two weeks since I dumped my boyfriend and I've already slutted it up with two other people!"
by Megan Redhead October 26, 2001
by Annonnimous (sp) February 12, 2009