Grinding my gears, snobby police officers who feel their uniform gives them all the power in the world. Not that I'm a trouble maker, but I used to drive a flashy car that was show-worthy and of course police love to pull over kids who are 17 and drive stick shift and give them BS tickets like "license plate placement" (you can see it, it's just on the right side on the front end...) and "reckless driving" (when the officer just hates you since you drive a nicer car than he does and has NO VIABLE EVIDENCE of you speeding or driving like you have road rage)
GRINDING MY GEARS, LITERALLY