1. Something that is so delicious it resembles an orgasm in the mouth.
2. Qualifies for physical characteristics that are quote 'Orgasmic'
Customer: No...thats wrong...it's hands down Tetumptuous!
Chick: So...did ya see that music video where Gerard Way was all...grabbing his jewels?
Otha Chick: You know it! It was so tetumptuous!
Chick: Ooooohyeaaah it was!