洞ヶ峠を決め込む
ほらがとうげをきめこむ Idiom- 1to wait for a good opportunity ; to come down on the right side of the fence ; to see which way the cat jumps ; to wait and see at Horagatoge Translated by Jiyomi
Other writings and readings
洞が峠を決め込む洞ヶ峠をきめこむ洞が峠をきめこむ
expressions (phrases, clauses, etc.) · Godan verb with 'mu' ending
JMdict entry 2832736. Source and licence.