power-rant Share definition Flag An advanced form of complaint(s) usually involving painfully extensive, random, combative, neurotic and seemingly pointless arguments. I can't believe this asshole went on a 3 hour power-rant about egg salad sandwiches at the DMV. power-rant by Lee Rosario June 11, 2009 0 0 Get merch Get the power-rant mug. Buy Now — $32.95 See more merch