A fucking hour is a fraction of time shorter than an actual hour. You know its like when a dude thought that he was fucking for an hour but it was like ten minutes, thats a fucking hour.
"We went across town for some food, I swear it felt like a fucking hour but was really just 20 minutes"
Noun; A period of time while you are high on any substance because time goes amazingly slow.
Person 1: Hey mannn, what time is it?
Person 2: 10:00.
*silence*
Person 1: Dudeee, what time is it now?
Person 2: It's still 10:00.
Person 1: ITS BEEN 10:00 FOR FIVE FUCKING HOURS!
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.
FRIEND A: "Did you just take a stealthie of me?"
FRIEND B (turning phone around): "no I was just using snapchat's new filter, see?"