| Clue | Source | Date |
|---|---|---|
| Knockout drink, in old gangster movies | LA Times Daily | 14 Jan 2019 |
| Knockout drink, in old gangster movies | The Washington Post | 14 Jan 2019 |
| Knockout drink, in old gangster movies | ||
| It'll knock you out after you knock it back | ||
| Drugged drink | ||
| Drugged drink | ||
| Drugged drink | ||
| Potent potable | ||
| Loaded cocktail | ||
| Chicanery by the glass. | ||
| Knockout potion. |