Short for ファンデーション (fandēshon).

(slang) Alternative form of 大きいお友達

fan club

Clipping of ニューファンドランド.

(fandom slang) emoji sequence used as an indication of fandom

(fandom slang) Something done by a celebrity (especially an idol, performer, or athlete) to please their fans. / (fandom slang, by extension) Elements included in a work of fiction to please fans.

the whole story, all of the details

stardom

everything

(colloquial) current boyfriend