A Black Dolphin is a piece of knowledge that is knowingly or unknowingly defended by someone who truly believes their stand even when it is certainly wrong.
Person 1: “I need 100 Black Dolphins”
Person 2: “It’s 100 black COFFINS”
Person 1: “No it’s not”
Person 2: “I call Black dolphin, you’re wrong”
When a Gamer(or theoretically other)'s voicecracks while ranting and raging and sounds like illegible high pitched dolphin noises. A term used by MoistCr1TiKaL often while watching videos Gamer Rage.
"His voice cracked a little but he didn't go Full Dolphin, it's not a real gamer rage if someone doesn't go Full Dolphin."