Definition

To casually (or annoyingly) mention that you know someone famous or well-connected, usually to gain social clout or seem more interesting. It's the verbal equivalent of peacocking.

Example Usage

He's always name dropping—last week he mentioned hanging out with a celebrity's cousin's roommate.

Source: Urban Dictionary (https://www.urbandictionary.com/define.php?term=name%20drop&defid=2895521)