Jerry Jerry Jerry!
Usually means someone's about to get into a fight or argument and/or you're instigating a fight or argument. Comes from The Jerry Springer Show.
Person1: Your vagina is deeper than poetry
Person2: I'd usually give a fuck but I already gave it to your mom last night.
Random person: JERRY JERRY JERRY!
Person2: I'd usually give a fuck but I already gave it to your mom last night.
Random person: JERRY JERRY JERRY!