To mumble and procrastinate in one's speech, especially with a reply to a hard question or with voicing a decision on a topical matter; to evade a question, giving vague answers; to equivocate or temporize.
To discuss, deliberate, or contemplate rather than taking action or making up one's mind.
To complain or argue in a trivial or petty manner.
To contest, especially some trivial issue in a petty manner.
An objection or argument based on an ambiguity of wording or similar trivial circumstance; a minor complaint.