Descriptive word for something/someone that's
lame,
naff, dull or in some way prudish or
frumpy. Used in a light-hearted or comic way.
"My mum says I have to wear these reflective strips when I cross the road at night so cars can see me."
"Oh my god, that's so pruney."
"Christian rock is complete prunes."
"
Gillian McKeith is such a prune."