noun, takes する, intransitive verb

  1. pinky swear (i.e. linking little fingers to confirm a promise), pinky promise.

Variations

Pronunciation Kanji Kana Is Common
 
指切り ゆびきり
 
 
指きり ゆびきり

Contained Kanji Breakdown

finger, point to, indicate
シ ゆび さ.す (3rd, N3)
hand, hand radical (no. 64)
シュ
delicious, relish, show a liking for
シ むね うま.い (7th, N1)
spoon, spoon or katakana hi radical (no. 21)
ヒ さじ (Kentei 1)
day, sun, Japan
ひ にっ ニチ (1st, N5)
cut, cutoff, be sharp
き.る セツ サイ (2nd, N4)
seven
なな シチ なの (1st, N5)
sword, saber, knife
かたな トウ ち (2nd, N1)