be as dull as dishwater(redirected from be as dull as ditchwater)
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.
be as dull as dishwater/ditchwater(informal)
to be very boring He loved the book but I thought it was as dull as ditchwater.