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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.
by steelyhard April 12, 2010
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