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.
Sucker For Love: One who tends to fall in love easily. Gives their love plenty of attention, gifts, forgiveness. May choose to hang out with their date instead of their friends.
"What up SFL? (lol)"
"Man, forget that ol SFL dude. Let's get outta here."