The area between the anus and the vagina or testicles. Otherwise known as "taint".
I made sure to pay close attention to her nature bridge when I went down on her.
by Hardly Known May 15, 2016
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Natural Bridge is a road in St Louis that is where all da hood things are in da Lou

So When Nelly or Chingy or someone say somthin bout Natural Bridge its a road in ST Louis

All my STL peeps know wad Im talkin bout HOLLA
Yo dawg i meet you up there on that Natural Bridge, Holla
by JC January 13, 2004
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