yakyuken or strip rock paper scissors (a version of Rock-Paper-Scissors where the loser has to remove an article of clothing, accompanied with a song and dance)

last night

friend

baseball (ball game) / a baseball (ball used in the game)

ken, a game played with the hands; a game of hands; in Italian, mor(r)a, a game in which two (or more) players each suddenly display a hand showing zero to five fingers and call out what they think will be the sum of all fingers shown.

(martial arts) used in the names of styles, or moves that involve punching

a fist / any of the martial arts that use the fists for striking, such as 空手 (karate) / any of several finger-shape games, including じゃんけんぽん (jankenpon, “rock paper scissors”)

(rare) the night of the day before yesterday; two nights ago

(slang) adult fans of an anime, a manga aimed at children

(slang) Alternative form of 大きいお友達