you're telling me
I'm well aware of that, as in She's a terrific dancer.—You're telling me! I taught her how, or You're telling me, the prices are sky-high here. [Early 1900s]
I'm well aware of that, as in She's a terrific dancer.—You're telling me! I taught her how, or You're telling me, the prices are sky-high here. [Early 1900s]