Fuddy-duddy disapproving
Used to refer to a person whose ideas and behaviors are old-fashioned
They call me an old fuddy-duddy because I never drink a single drop of alcohol.
Used to describe someone who is old-fashioned or conservative
Her parents are quite fuddy-buddy when it comes to relationships and marriage.
Used to indicate the name of the device or gadget with the unknown name
If you describe someone as prim and proper, they have very traditional, morally conservative beliefs and behavior.
Someone who is pretentious and stuffy.
A pejorative word for someone who is an environmentalist.
This term may have started as a jingle made up of two phrases fused together. Duddy sounds a lot like Daddy and may have come from children's rhymes.