kookishness

Noun

US slang uncountable

(slang, chiefly US) The state or condition of being kookish; eccentricity, weirdness.

Japanese Meaning

風変わりな状態、奇行性、常軌を逸した変わった性質

Her kookishness made her the most memorable performer at the local open-mic night.

彼女の風変わりなところが、地元のオープンマイクの夜で最も印象に残るパフォーマーにしていた。

Sense（1）

(slang, chiefly US) The state or condition of being kookish; eccentricity, weirdness.