be as dull as dishwater
(redirected from am as dull as dishwater)be as dull as dishwater
To be very boring or unexciting. This phrase is often used to describe a person. My date with Dave was not great—he is as dull as dishwater. I fell asleep during that movie because it was as dull as dishwater.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.