Continuity mistake: In "Football", when Josh is trying to act cool near the beginning, it does a shot of the wall he is going to lean against, and there is a small shot of the bottom of the "WET PAINT" sign, and it is pink. Then, when the camera looks full-on at the sign, it is black and white.
Continuity mistake: After Zeek gets injured and Josh decides to play himself, when he runs out screaming and comes back in, you can see a poster in the hallway but the words aren't clear so its hard to see. When the game is over after he scored the touchdown there is a totally different poster in the hallway.
Continuity mistake: When Drake is showing Josh how to be cool, Josh leans up against the wall with wet paint. While Josh is leaning on the wall there's a stripe painted there. Josh stops leaning and looks at the wall and there's no stripe.
Chosen answer: It's just a screaming fan that knows everything about Drake.
BigOLB