Idiom: Smell Something Fishy Posted on 4th September 20184th September 2018 by DoubleClick Smell Something Fishy: something about a person or situation arouses suspicion Example: It smells fishy. We do not have any benefit from it. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Posted in Idiom and tagged idiom S.