The fact that Alanis Morisette's "Ironic" plays during an actually ironic moment in the film.
Graham to Zach, a large team member: "Stop looking at the pizza. God made you lactose intolerant for a reason. You're fat. (beat) So fat. (beat) So fat."
Headphones'Take That speech against Graham. Especially when he outright calls Graham a dick for making him, a self admitted silent loner type, talk in front of everyone along with calling his accent bullshit.
Nick and Billy's total ineptitude with technology and programming.
Billy: "When you go on the line..."
Nick drawing a half-assed eyebrow on Yo-yo with a Sharpie.