track in(redirected from tracks something in)
To bring dirt, mud, or other such filth into some place on one's feet. A noun or pronoun can be used between "track" and "in." The dogs tracked mud in the house after I had just finished cleaning. Hey, take your boots off—you're tracking in dirt!
See also: track
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.