dubious story; cock-and-bull story; questionable information
Refers to a story or piece of information that seems unreliable or suspicious, often used when one doubts its truthfulness. The expression originates from the gesture of wetting one's eyebrow with saliva to avoid being deceived.
彼の話はどうも眉唾物だ。
His story sounds pretty dubious.
ネットで見たその情報は眉唾物だった。
The information I saw online was questionable.