Originating from IT roots, where it also refers to a less
prospect, to "perform a core
dump" (in some marginally civilized, yet uncouth circles of urbanity) refers to the process of laboriously
evacuating one's bowels - usually resulting in a hefty
pile and dispersed shrapnel all over the porcelain scooter.
Dang, man! Did you have to come and perform a core
dump at MY possy?!
To the mall security
guard: "Dude, where's the jazz?! I urgently need to perform a core
dump, or I might embarrass the shoppers!