be sitting on your tailbe (sitting) on (your) tail
to be driving too close behind you.
That Volvo's been sitting on my tail for the past ten minutes and it's starting to really annoy me.
(redirected from be sitting on your tail)
be (sitting) on (one's) tail
To follow close behind someone or something. Why is this guy sitting on my tail when I'm already going over the speed limit?The cops are definitely on our tail now—we have to turn ourselves in!