make a move

verb3

1. •
   To take action.
2. •
   To initiate a conversation or perform an action intended to engage the willing attention of a person in whom one has a romantic or sexual interest; to approach someone of romantic or sexual appeal in hopes of escalating to a romantic or sexual encounter or relationship.
3. •
   (UK, India) To depart from a place; to set off.

   • He swallowed hard on his tea. —Well, ah must be making a move. Thanks again. — 1994