dull

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l History: Dull as dishwater when you had to learn it in school but the Americans would kill for a fraction of ours.
com Tis for tank top, every Welsh man should have one along with those men who dress as dull as dishwater all year then whoops they seem to find a festive Hawaiian shirt all of a sudden.
Ironically, comic books became dull as dishwater because of the more ghoulish fare published by EC comics--as distinct from DC--which triggered a mini-culture war.
But the music was derivative and as dull as dishwater.
My furniture looks lounge more as dull as dishwater and as for sitting on it, its like sitting on a huge bag of crisps.
TO call him dull as dishwater is unfair to dishwater.