What is the meaning of Dibs?

The right to use or enjoy something exclusively or before anyone else.

Used to claim this right.

To claim a temporary right to (something); to reserve.

A sweet preparation or treacle of grape juice, much used in the East.

plural of dib

A child's game, played with dib bones or stones, throwing them up from one's palm and catching them on the back of the hand.

Money.

Source: wiktionary.org