はず押おし

noun

armpit push; pushing up under the armpits

A sumo technique where the wrestler pushes upward with hands placed under the opponent's armpits, often used to break the opponent's posture or drive them back.

• 横よこ綱づなははず押おしで相あい手てを土ど俵ひょうの外そとへ押おし出だした。

  The yokozuna pushed his opponent out of the ring with an armpit push.