The stretch of fabric on a t-shirt located directly between a lady's girls.
Alexander: Dude, check out how tight the fort knockers on that girl is!!!

Devon: I know!!! If her girl's were any larger, fort knockers would come a tumblin' down!!!!
by Adron Quixote March 03, 2011
1. A highly guarded and secretive goldmine of one's adult material. Usually referenced in regard to a voluminous and particularly titillating collection.

2. Hooters restaurants.
Jamie (older gentleman): Have you noticed how there are less and less Fort Knockers around.

Shane (older gentleman): Yeah, with the internet now a days people are beginning to abandon the gold standard of porn, choosing to trade in papers and tapes for illicit web sites. I've heard one can get all sorts of diseases from sex, and now, viruses from the internet.

Jamie (older gentleman): Kids these days just don't understand. But alas the world is changing.

Shane (older gentleman): Indeed
by Titman69 July 22, 2009

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