1. A small, quiet animal with pointy, protective quills on its back to keep it safe from predators.
2. A person, typically a gamer, who is overreacting or lashing out at someone who was not in any way involved in the situation which the "porcupine" is angry about. These people typically play Minecraft, CS:GO, Geometry Dash, or any sport-themed video games.
Definition 1 sentence: "I was poked in the hand from a porcupine I brainlessly attempted to snuggle with."
Definition 2 sentence: "Dude, quit being such a porcupine over Minecraft."
The act of taking a live porcupine (also called the quill pig) and throwing it at an unsuspecting passerby. It is frequently used as a method of revenge on someone who has recently committed a grievous offense.
Noun: pour-q-pine
A female who has had many sexual partners and is known for her promiscuity. This term is derived from the idea that if the female in question had as many cocks growing out of her body as had been in her body she would have the appearance of a porcupine.