Feeling Irked

That guy can be so dumb and—eh?
I’m not sure what’s the word to say:
The adjectival form of “jerk.”
Uh, “jerkish”? No, that doesn’t work;
The suffix “-ish” sounds noncommittal,
While this jerk is not so little.
Let me check in Webster’s Third….
Oh my goodness, how absurd.
First of all, I think that “jerky”
In this context sounds too quirky.
Secondly, the next edition
Better have more definitions.
“Jerks” today aren’t just inane;
They’re normally a royal pain
From acting rude or downright mean.
The only time I’ve heard or seen
The word mean “fool” was in that flick
In which Steve Martin acts real thick.
The fouler synonyms as well—
No adjectives that I can tell.
Our language shifts and still we find
That certain needs get left behind.
(I’d better let my rant be through,
Lest someone deem me “jerky” too.)