A claim to the right to use or enjoy something exclusively or before anyone else
Who's got first dibs on the chips?.
{i} claims, rights (British slang); small amount of money (Slang); jackstones ( game in which playing-pieces [originally small bones or pebbles] are tossed and caught on the back of the hand); sweet substance or molasses of grape juice
the right to have, use, or do something (Probably from dibstones , from dib (17-19 centuries))
() Since the early 19th century, of disputed origin. Most commonly thought to be from dibstones (“counters used in a game with the same name”). Also from dib (“to tap”) or related to northern English dip (“small depression in the ground”), or a shortened version of divide