Jumping for joy. An acronym similar to lol
used to express happiness or great joy over instant messaging or text.
Person 1: Dude I'm so happy the Giants won!
Person 2: I know, I'm literally jfj!
1. The showing off of one's abs in order to let all witness their toned, muscular qualities.
2. Advertising or billboards solely showcasing a model for their abs in order to sell their product.
1. Dude, look at that douche ab-vertising over there on the beach.
2. Check out that Abercrombie & Fitch billboard, complete Ab-vertising.