expression, godan verb (-u)
be made to wait; have one's hopes postponed
Idiomatic expression meaning to be forced to wait for something eagerly anticipated, often with a sense of frustration or disappointment. The image comes from a dog being told to wait before eating.
楽しみにしていた旅行が延期になって、お預けを食らった気分だ。
The trip I was looking forward to was postponed, and I feel like I've been made to wait.
給料日までお預けを食らうのはつらい。
It's tough having to wait until payday.