petty grievances

• grudgesPersistent ill will
• resentmentPersistent bitter displeasure
• complaintsExpressions of discontent
• nitpickingExcessive focus on trivialities
• bickeringPetty verbal sparring

quibbles · annoyances · slights · snubs · offenses · irritations · squabbles · whining · nagging · pettiness · passive-aggressive · eye-rolling · huffing · cold shoulder · sniping · cattiness · spite · wounded pride