expression, godan verb (-ru)
be gossiped about; become the subject of rumors
Used when someone or something becomes a topic of gossip or rumor. Often implies that the subject is being talked about by others, sometimes negatively.
彼の奇妙な行動が近所で噂に上っている。
His strange behavior is being gossiped about in the neighborhood.
あの二人の関係
The relationship between those two often becomes the subject of rumors.