Originating from IT roots, where it also refers to a less than pleasant 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.

Large, beautiful breasts that are keep well consealed and initially appear to be much smaller and less impressive than they actually are until unleashed.