1. Using an exaggerated, highly subjective style, as in journalism: "a hyperkinetic, gonzo version of Graham Greene" (New Yorker).
2. Extreme, unconventional, or bizarre: gonzo artwork; a gonzo snowboarding style.
3. Crazy, excited, or unrestrained: Fans went gonzo when the band came out.
[Perhaps Italian, simpleton (perhaps short for Borgonzone, Burgundian) or Spanish ganso, dullard, goose (of Germanic origin; see ghans- in the Appendix of Indo-European roots).]
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