Fiddle

bowed stringed instrument that is the highest member of the violin family; this instrument has four strings and a hollow body and an unfretted fingerboard and is played with a bow

manipulate manually or in one's mind or imagination

play around with or alter or falsify, usually secretively or dishonestly

try to fix or mend

play on a violin

avoid (one's assigned duties)

commit fraud and steal from one's employer

play the violin or fiddle