| Clue | Source | Date |
|---|---|---|
| Extremely popular thing, slangily (... last two letters + the first two of 51-Down) | Universal | 14 Mar 2025 |
| Admission tough to obtain | Newsday | 06 Apr 2024 |
| All the rage and hard to come by | LA Times Daily | 30 Sep 2023 |
| Elusive thing for a popular show | New York Times | 23 Jul 2021 |
| Latest fad | Eugene Sheffer | 12 Dec 2017 |
| It's hard to score |