It kinda means that your friends think you are tense to them.
Or if nervous...They would call you that.
Random User: Okay, i'll try!
(Few moments later...)
Random User: ...I think I've messed it all up.
Me: Thats because you forgot to be Irritable!
Random User: But..That's not on that piece of the paper!
BevelHD: Look closely on the top right corner :P
Random User: God dang it i'm dead- *EXPLODES*
Graytubby: And thats how I call it: Edgy!
Me: Did you detonate him?
Graytubby: Ofc, He already became edgy.
BevelHD: [why are we still here]
it's an.
EDGY
story.
0544014
Shrek: WHAT ARE YOU ALL DOING IN MY SWAMP!?!
XMadnessCombatX
Me, BevelHD and Graytubby: DUDE WE WERE DOIN A PHOTOSHOOT