English[edit]
Etymology[edit]
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Pronunciation[edit]
there must be something in the water
- (idiomatic, humorous) There are so many instances of something unusual, such as in people's behavior, that there must be a common cause.
- Used other than figuratively or idiomatically: see there, must, be, something, water.