Pleasing or orgasmic enough to give robots orgasms. And robots aren't supposed to feel anything.
Dude 1: So how was that robot?
Dude 2: My penis was so large that it screamed my name in ecstasy!
Robot: Damn right, it was orgasmatronic.
Something is described as "orgasmatronic" when it provides as much pleasure as an orgasmatron.
Tiffany had an orgasmatronic moment as Tim's thick sleek cock swiftly crept its way up her cervix.