Noob

There are two definitions for this
1st a 1st grader
2nd a person new to video games

Dad I guess I am a noob at this game.

noob

A person whoms't knows nothing.

Your a noob Caleb said to a tent.

Noob

¹Someone who sucks at a Video Game
²Someone new to a video game

What a Noob.

Noob

Someone who is inexperienced in a game/activity.

You're a noob at soccer!

Noob

A new player not someone who killed you.

In Roblox:
CoolGuy101: YOU KILLED ME NOOB
BobTank05: YOUR A NOOB
That's how it's used in Roblox.
The correct way
CoolGuy101: oh your a noob
TankBob05: Yeah only just started

Noob

Someone who hasn't heard of ANYTHING.

Me: Hey Elizabeth have you heard the song hit the quan?

Elizabeth: No never heard of it.

Me: What a noob!

Noob

a big fat inexperienced guy or player/person

you are a noob