A fork of Rural Dictionary
The invisible ceiling or upper boundary located at the top of a map in a video game.
Don't jump too high and hit the skybox, you won't go higher than that.
The act of removing a ceiling tile from the bathroom ceiling, shitting on it, and putting it back. Eventually the smell becomes unbearable, but no one knows where it is coming from.
"This bastard deserved worse than an upper decker, so I gave him The Skybox."
The act of going down on a female while holding her in the air, with her legs on your shoulder
I was skyboxing her so hard, she hit her head on the ceiling fan.
When you unscrew someone's showerhead and fill the inside with feces. That way the next time they take a shower they will literally be covered in shit. Similar to the Upper Decker, the SkyBox is a step above.
A-"That asshole forgot to lock his door so I left him a present."
B-"What'd you do, give him an Upper Decker?"
A-"Nah, this dick deserved more, so I SkyBoxed him."
B-"You sick bastard!"