A casual woman.
A Little Bit of Fluff was created in 1928-05.
mite
This simply means a person has potential, but still need a bit of refinement. The core is promising, but the outer crust needs to be polished a bit.
It's not really an idiom. You can figure out the meaning if you think about it. You're stretching your muscles.If someone says "I need to stretch my legs," however, they mean they need to walk around a little bit to think or to wake up.
Yes it is an idiom because the literal meaning doesn't make sense.
RFP is not an idiom. It's an abbreviation.
It's not really an idiom. It means "what are you thinking about."
It is not an idiom, it means your nose is itching.
"Fluff no heat" typically refers to a setting on a clothes dryer that allows you to fluff and refresh items without applying heat. It is useful for delicate items or to fluff up items that have been sitting in the dryer for a while.
idiom means expression like a page in a book
It's not an idiom. It means the tip of your nostril.
"Sieve" is not an idiom. See the related link.