The meaning is when someone is laughing uncontrollably something
Ryan: insert something funny here
Stephanie: IM DEAD LMAOOO
I'm not actually dead, it's a metaphor indicating I'm laughing so hard that I'm losing Oxygen which could lead to suffocation
Guy: What is the difference between a black father, and a Boomerang?
Other guy: What?
Guy: A Boomerang comes back.
Other guy: HAHAHAHA, I'm dead.
Expression of something being so shocking you think its a dream and or finding something extremely funny
The diet dying light, Who do you voodoo, a 2011 made fun game, and also made an infamous trailer. Also not even related with the trailer, but overall a good game.
Guy: Hey, have you heard about Dead Island? It has some good zombie killing weapons!
A Biased Idiot: LOL YOU ACTUALLY LIKE STUJPID ZOMOBYEIE GAMEMES!??!?!?!LOLOLOLOLOLOOLOLOLOLOLOOLLOLOLO YOU WILL NEVER SUC-*Gets ran over by the Dead Island Ram zombie*
An item of previously high value that has reached its untimely demise or ability to use.
"Opened my oil cap today and found the forbidden smoothie, she's a Dead Racehorse for sure."
When a man walks out of a shower with the towel not properly positioned and bends over to pick something out exposing the beanbag to others in the room that looks like a dead, hanging upside down Robbin.
When we first check in, Joe takes a shower and walks out without a towel looking for one, exposing The Dead Robbin to his roommates.
When you soak your hand in ice water till it turns wrinkly cold and numb and then masterbate with that hand.
Was feeling real bored last night and gave myself a dead grandma....I really miss her.