Repressed On The Outside, Obsessed On The Inside. Refers to someone with a desire, usually sexual, that he/she is uncomfortably acknowleging to others, and consequently focuses on obsessively in his/her private life. In extreme cases leads to gay homophobes, etc. Pronounced to rhyme with "toto cutie".
I stumbled across his porn collection, that guy is *so* ROTO-OOTI!