Also found in: Dictionary.
To follow along after someone or something, especially in a diligent, dutiful, or persistent manner. We set out on our hike for the day with the three kids tailing after us. I tailed after the suspect for nearly four hours to figure out where he was stashing the stolen goods. Jimmy idolizes his big brother, always tailing after him wherever he goes.
tail after someone
Fig. to follow after someone. Why do you always have to tail after me? There is someone tailing after you.
To follow someone or something: The ducklings tailed after their mother. The detective tailed after the suspected criminal.