exclam. “I am going to say something rude to you that I will not say out loud!”
You jerk! Watch my lips!Hey, chum! Read my lips!
Idiom
Read my lips!
informal a slightly impolite way of telling someone to listen to what you are saying.
Read my lips. You're not having any more ice-cream.
read my lips
slang Listen closely to what I'm going to say, because I am going to be very clear. A: "Come on, Mom—can I please go out with my friends?" B: "Read my lips—no!"