Derived from the word portmanteau, which is when 2 different words are joined to create another word (e.g. fantabulous, which is the combination of fantastic & fabulous), fartmanteau is when the made-up word falls under toilet humor .
Dude 1: Duuuuude, I thought up another word today while smoking out. Shitarded. It's when something is both shitty & retarded.
Dude 2: That's dope.
Dude 1: No...That's a fartmanteau, my friend.
a asshole that has no life and like to control others because they cant control there own life so they control other to feel like to be in control of something. Or to try and be a edgy person that is not actually edgy,
"Oh yeaKyle. He is real fartman. Nobody likes him."
A joe Massive fartman can be used to describe someone who makes alts and fake servers to fart in. A joe Massive fartman may even use snapchat and talk to (12 year old) girls.
"Omg hes pulling a Joe Massive fartman"
"This iraqi is such a Joe Massive fartman"