back scratcher
or back-scratch·er, back·scratch·er
noun
a long-handled device for scratching one's own back.
a person who exchanges favors or services for mutual advantage.
Origin of back scratcher
First recorded in 1785–95
OTHER WORDS FROM back scratcher
back scratching, nounWords nearby back scratcher
back row,
back run,
back saw,
back scatter,
back score,
back scratcher,
back seat,
back shaft,
back shift,
back slang,
back staff