Wiktionary
first dibs
n. First choice, preference.
Usage examples of "first dibs".
Some of the refugees are behaving like civilized human beings, but others are wading and swimming out towards them trying to get first dibs.
But at ORS the inspectors know that the commanders' vehicles get first dibs so they really go over 'em with a fine comb.
The photos turned out quite well and we gave Mom first dibs on them.