Top definition
Single For Life, something lonely people say when they have no boyfriend/girlfriend/husband/wife and believe they have no chances of getting one anytime soon.
Girl I don't need a boyfriend, I'm SFL!
by Chase M. February 07, 2006
5
SFL is a uber way of expressing that something is (So Freaking Lame) isn't fun, maybe boring or even a disappointment.
by Tim Crow February 01, 2008