subs. (colloquial).Careless; thoughtless; improvident. Fr., va comme je te pousse and à la flan.
1856. C. READE, It Is Never Too Late to Mend, ch. xv. In the HAPPY-GO-LUCKY way of his class.
1883. Illustrated London News, 8 Dec., p. 551, c. 1. He dashes off a play in a HAPPY-GO-LUCKY style, basing it on theatrical precedent so far as certain stock situations are concerned.