(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)

everyone, one and all

(biology, anatomy) a tentacle: specifically, either of the two tentacles of a squid or cuttlefish that are longer than the other eight (technically called “arms”)

having confidence in one's skill; confident that one has the skill

to use someone's arm as a pillow

using someone's arm as a pillow

a forearm; an antebrachium

a wristwatch

(idiomatic, usually cooking) to display one's ability

arm wrestling