台湾: Taiwan

彎入: gulf / 湾入: embayment / 弯入: a curved indentation (especially in the stomach)

wicked (evil or mischievous)

naughtiness

触腕: arm of a squid or cuttlefish

Nagoya dialect

The Kansai dialect. Culturally, it is associated with comedy (specifically, ツッコミ) and is sometimes imitated by people from other regions (エセ関西弁(かんさいべん)) to exploit this.

Tōhoku dialect

(slang) eating one's bento (packed lunch) before lunchtime (usually applied to middle and high school students)

Kyaraben, a style of elaborately arranged bento (Japanese boxed lunch) which features food decorated to look like people, characters from popular media, animals, and plants.