Fig. tending to think of or say things that are obscene. Tiffany has her mind in the gutter. That's why she laughs at all that dirty stuff.Why do you tell so many dirty jokes? Do you always have your mind in the gutter.
Fig. [of a person] in a low state; poor and homeless. (*Typically: be ~; fall [into] ~; put some-one [into] ~.) You had better straighten out your life, or you'll end in the gutter.His bad habits put him into the gutter.
Appropriate to or from a squalid, degraded condition. For example, The language in that book belongs in the gutter. An antonym, out of the gutter, means "away from vulgarity or sordidness," as in That joke was quite innocent; get your mind out of the gutter. This idiom uses gutter in the sense of "a conduit for filthy waste." [Mid-1800s]
tv. to think or suggest something obscene. (Have got can replace have.) Tiffany has her mind in the gutter. That’s why she laughs at all that dirty stuff.