| Clue | Source | Date |
|---|---|---|
| Sneaky laughs | Wall Street Journal | 13 Jan 2021 |
| Nervous little laughs | ||
| Sly chuckles | The Washington Post | 14 Dec 2018 |
| Sneaky little snickers | New York Times | 02 Aug 2017 |
| Sneaky chortles | The Washington Post | 13 May 2017 |
| Sinister chuckles | ||
| Snarky laughs | ||
| Little chortles | ||
| Devious laughs | ||
| Sneaky chuckles | ||
| "Beavis and Butt-Head" sounds | ||
| "Beavis and Butt-head" sounds | ||
| Dastardly laughs | ||
| Sarcastic chuckles | ||
| Derisive laughs | ||
| Villain's chuckles | ||
| Grunted laughs | ||
| Sly laughs | ||
| Eight Egyptian gods | ||
| Laughter units | ||
| Little Reaganesque laughs | ||
| Exclamations of inquiry | ||
| Nervous laughs | ||
| Words of surprise | ||
| Querying sounds. | ||
| Interjections. | ||
| Interjections of inquiry. | ||
| Sounds of inquiry. |