A muscled hole which excretes a nasty substance upon the filling of one's intestine. One may be "fucked" in the VCC, but it is generally frowned upon when attempted by two males. Heed warning, if the VCC does not "accept" the harsh organ inserted inside of it, it may spew the same nasty subsatnce that is excreted when the intestine is filled.
John: Hey Babe, how is your Vascular Chasm Cavity feeling?
Babe: It hurts, now let me do yours.