rathole

An entrance to a living area or passageway used by mice or rats.

A living area used by mice or rats.

A particularly squalid human residence.

An area of a silo that has undergone ratholing, so that material moves mostly through the centre and accumulates around the edges.

to hoard.

to take a conversation off topic, especially in technical meetings.

to surreptitiously or prematurely remove chips during a poker game.

(of material) to empty only in the center of a hopper or silo, persisting circumferentially.

a small dirty uncomfortable room

a hole (as in the wall of a building) made by rats