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.
The act of sucking one’s gut in to look more fit than actual.
“The dude that was eating a hotdog by the pool totally sucked in afterwards... That’s false ab-vertisement.”