Giants fan
Refers to a supporter of the Yomiuri Giants baseball team. The term is a blend of 巨人 (Giants) and 党 (party/faction), suggesting a devoted fan.
彼は熱心な巨人党だ。
He is an ardent Giants fan.
Compound of 巨人 (Kyojin, 'Giants', referring to the Yomiuri Giants baseball team) and 党 (tō, 'party' or 'faction').