fly-by-night(n = noun.person) - a debtor who flees to avoid paying;
is a kind of debitor, debtor
Derived forms adjective fly-by-night2, adjective fly-by-night1
1. fly-by-night(s = adj.all) shady - (of businesses and businessmen) unscrupulous; "a shady operation"
Derived form noun fly-by-night1
2. fly-by-night(s = adj.all) - ephemeral; "the symphony is no fly-by-night venture"
Derived form noun fly-by-night1