Table-hop refers to the act of moving from one table to another during a social gathering. If you want to describe this behavior using different words, you could use synonyms such as "flitting between tables", "bouncing around", "hopping from one table to another", "mingling with different groups", "circulating around the room", "roaming from group to group", "working the room", or "socializing with various people". Each of these phrases captures the sense of movement and sociability associated with table-hopping, while also providing a slightly different perspective on the behavior.