come-on

noun
UK /ˈkʌm ɒn/
US /ˈkʌm ɑːn/

A come-on is something someone says or does to make you want something.

The free toy was just a come-on to get people into the store.


OTHER MEANINGS

2. A remark or action meant to flirt with or attract someone.

He gave her a playful come-on across the room.

3. A dishonest trick used to persuade someone to buy or do something.

The ad was a come-on that promised prizes nobody ever won.

4. An invitation or encouragement to do something.

Her friendly wave was a come-on to join the game.