Pettifog is to argue over unimportant things.(verb)
An example of pettifog is to fight over who is going to be the first person to read the newspaper on a certain morning.
See pettifog in American Heritage Dictionary 4
intransitive verb pet·ti·fogged, pet·ti·fog·ging, pet·ti·fogs
Origin: Back-formation from pettifogger.
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