10 second crush

10 second crush:
i) is a crush that you have for a very short amount of time and get over them very quickly
ii) a CRUSH you have as a last solution and if someone better looking came you wouldn't pay attention to them anymore

For meaning 1
Person 1: I heard Dylan is back on the market

Person 2: I don't like him anymore he was just a 10 second crush

For meaning 2
Person 1: Do you still like Marie ?
Person 2: Nah, I mean haven't you seen Hellen?