| fly-by | That outfit is running a fly-by-night operation. |
| fly-by-night | (n) a debtor who flees to avoid paying |
| fly-by-night | (adj) (of businesses and businessmen) unscrupulous, Syn. shady, Example: a shady operation |
| fly-by-night | (adj) ephemeral, Example: the symphony is no fly-by-night venture |