To be busy with trifles.
noun.
A trivial fancy adopted and pursued for a time with irrational zeal; a matter of no importance, or an important matter imperfectly understood, taken up, and urged with more zeal than sense; a whim; a crotchet; a temporary hobby.
noun.
A person of whims; one who is difficult to please.
noun.
A bundle of straw.
noun.
A colored ball.