A boner so hard it infuriates the one with it
Guy 1: Why TF is (guy 3) slapping his dick
Guy 2: (guy 3) got an infuriating stick, that's why
The opposite of furious. Glad, Happy
You bought me a new car? I'm infurious!
when you just cooled down from being mad, but someone manages to piss you off again.
Adrian : I'm cool. just don't do it again ok?
Matthew : *sigh* Alright, fine...
Matthew : (under his breath) Asshole
Adrian : Oh yOU JUST RE-INFURIATED ME MOTHERFUCKER!