When something being observed is so horribly stupid (and not in a fun/funny way) that you are actually put into a foul, irritable mood because of it. (i.e. action, person, movie)
(Some movies, usually B movies, can be irritably-terrible.)
person1-"Oh man, that moviet was so bad, I'm actually feeling kind of pissed off."
person2-"Must have been another irritably-terrible remake."