bed hop
/ˈbɛdˌhɑp/
verb
- To move frequently from one romantic or sexual partner to another, especially in a casual or short-term way.
- He was known to bed-hop through the office, causing gossip among his coworkers.
- The tabloid accused the actor of bed-hopping from one costar to the next.
- After her breakup, she started to bed-hop, never staying with anyone for more than a few weeks.