Main Entry: nun·bump
Pronunciation: 'nuhn-buhmp
Function: noun, adjective
Jamaican expletive, akin to bumbaclot, bloodclot, or rassclot, used as either an exclamation or an adjectival intensifier. Derived from the Catholic faith, it suggests the sacrilegious idea of a pregnant nun.

the art of remembering an arousing occurrence or some porn you watched while masturbating, often handy if you have no porn or your in the shower