Hairdryer

[dilodi83]

Which verb do you generally use to state that you are rolling a wire all around its hairdryer to put it away?
Is it "to roll up"?
And what's the opposite? Is it "to roll down"?

[JohnParis]

I'd say "I'm rolling up the hairdryer" if I were wrapping the cord around the handle of the device. This is common usage.
However, the opposite would be to unwind the cord.
"I'm unwinding the hairdryer."

John

[Barb_D]

Note that John corrected your use of "wire" to "cord."

[emsr2d2]

For me "unwinding the hairdryer" sounds strange, mainly because it's not the actual hairdryer you're unwinding, it's the electric cord.

I think I would say "I'm winding/unwinding the hairdryer cable/cord".

[Rover_KE]

I'd say flex rather than wire or cord.

[Barb_D]

Really? The thing that connects the appliance to the electricity source, you call the "flex"? I keep learning new British English all the time!

[Tdol]

I use flex or cord. I would use cable and wire for computers.