1-10~Annoying squeaker
11-13~Extremely immature kid
14-20~High teenagers that need to explain that they're high
21-25~Drunk/high adults that need to explain that they're drunk/high
26-39~Usually cool, mature players
40+~"My KD is bad because I have a life and wife and kids".
Someone who is singing at the top of his voice, will not let others speak, never shuts up, acts like hot shit while not [i]doing[/i] shit. That is about the age I consider someone a kid
Well considering there are some kids more mature than adults on this game I can't really say an age. Because some kids act more like an adult than the actual adult.