come on to someone

come on to someone

1. in. to make advances to a person. She didn’t even know he was coming on to her, till they got to his place.
2. in. to try to get someone to respond romantically or sexually. She was just starting to come on to me when her parents came home.
3. in. to begin to become friendly. After a few minutes, they began to come on to each other.
See also: come, on