P.S. What does I.A.T.U. stand for? Possibly I Am Totally Unhinged?
Your guess is probably more appropriate, but I'm afraid it's rather more prosaic than that VK. Possibly before your time
but think seventies (?) sitcom with Reg Varney - On the Buses - with Varney playing the part of a wide boy driver called Butler. Psychotic Inspector would endlessly repeat;
"I 'ate you Butler!"
Geddit?
Roger.