Hamburger Rage
A disproportionately angry or violent response to a dismissively minor inconvenience.
Fast food customer: If I would have known you didn't have McNuggets, I wouldn't have given my money, and now you want to give me a McDouble?! Ima kill you, bitch!
Fast food worker: Whoah, here's your money back, psycho. Chill out on the hamburger rage.
Fast food worker: Whoah, here's your money back, psycho. Chill out on the hamburger rage.