首くびったけ

く

び

っ

た

け

Freq.FrequencyTop 100,000

Meanings

1

head over heels in love; madly in love; crazy about

Colloquial expression meaning to be completely infatuated or deeply in love with someone. Often used in the pattern 〜に首ったけ.

だ

。

He's head over heels in love with his new girlfriend.

あの二人ふたりはお互たがいに首くびったけらしいよ。

Those two seem to be crazy about each other.

夢む中ちゅう
夢中 means 'absorbed in' or 'obsessed with' and can apply to hobbies, work, etc., while 首ったけ is specifically about romantic infatuation.
惚ほれる
惚れる is a verb meaning 'to fall in love' or 'to be charmed'; 首ったけ describes the resulting state of being deeply in love.

首くびったけUsage96%
Most common spelling; uses 首 (neck) with the colloquial geminate ったけ.
首くびっ丈たけUsage4%
Rare variant using 丈; may be encountered in older or stylistic writing.
頸くびっ丈たけ
Rare variant using 頸; 頸 is a less common kanji for 'neck'.

From 首丈, literally “up to the neck,” with 丈 expressing extent. The image of being immersed up to the neck produced the sense “completely infatuated.”