If you came with a warning label it would say......

[sergnb]

The title is fairly self-explanatory. Mine would be "For use by trained personnel only"

Either that, or "Caution: Contents are hot"

Treat with caution: Might Implode. In case of implosion, look directly at implosion

 

[Super Toast]

Warning: Angry, angry young man.

 

[poppabaggins]

Has opinions about everything.

 

[Sehnsucht Engel]

Prone to anger and swearing

 

[Nightvalien]

"If you can read this you might die in ..." or "warning hazardous levels of cynicism approach with caution"

 

[Nulmas]

"Warning: Product may act unpredictably."

 

[Nouw]

Warning:High Level of Awesome. Use only twice daily for the rest of your life.

 

[Azmael Silverlance]

Warning: You just got screwed!

 

[Tsunimo]

"Warning!"
Followed by purposefully faded lettering, so that no one knows what to look out for.

 

[RedEyesBlackGamer]

Warning: Contains high levels of sarcasm.
It is true. You have to be careful around me.

 

[Danny 6Speed]

Do not feed.

 

[kaizen2468]

Do not feed after midnight

 

[CrazyCapnMorgan]

Warning: Contains the Y chromosome. Viewer discretion is advised.

 

[Infernai]

Warning: The following is not suitable for any person under the age of 307.

 

[Slenn]

Warning: You may be exposed to lethal amounts of physics information and large doses of nerdyness.

 

[Tanto-chan]

Caution: This unit has a slightly higher than average obsession with fire, is easily distracted, and bites...

 

[automatron]

Warning: insane

 

[SD-Fiend]

Warning: Do not handle without gloves or store this near any living being. Ever.

 

[lightningmagurn]

Warning: All sales final, no refund.