鮴押し屋: arm-twister

浴びせ倒し: backward force-down, a kimarite (official winning technique) in sumo

pressing quickly

Short for 推しTシャツ (oshi tī-shatsu, “(idol fandom) T-shirt declaring one's devotion”).

(quiz competition) pressing a buzzer early in the hope that the person reading the question is incapable of stopping immediately

(idol fandom) A drinking glass on which the name of an idol is lettered. It can be shown off on social media, often accompanied by a drink in the same color as the idol's designated color (メンカラ).

disciple

御城, お城: honorific form of 城 (shiro, “castle”)

後ろ: (now rare, dialectal, Iwate, Hachijō, Kansai, Shikoku, Izumo, etc.) Nonstandard form of 後ろ (ushiro, “back, behind, rear”).

chest; breast; heart / to repress one's mind; to be hesitant in one's thoughts / timid; nervous; afraid