"crazy, eccentric," 1935, variant of whacky (n.) "fool," late 1800s British slang, probably ultimately from whack "a blow, stroke," from the notion of being whacked on the head one too many times.
例文
1. Wacky ideas are commonplace among space scientists.
宇宙科学者が奇妙な考えを持っているのは不思議ではない。
2.Some of his friends are pretty wild and wacky characters.
彼の友人の中には、放蕩でグロテスクな人もいる。/
3.Have you been using that wacky paste stuff that made me see my sister get eaten?
妹が食べられているのを見せてくれた奇妙な糊を使っていますか。
4.What was I thinking of,picking a wacky subject like cryonics?
私は当初どう思っていたのか――人体冷凍術のような奇妙な話題を選んだのか。
5.Many Norwegians consider the idea wacky ,according to media reports.