Lois McMaster Bujold's science fiction series that takes place in the Vorkosiverse is excellent for many reasons.

“What's within reason?” “Hand-job, blow-job, full sex — straight, full service. Greek, maybe, if you're not too big. Golden shower, if you like, but not reverse. No hardsports. And absolutely nothing without.”

The organ of gustation is not, therefore, restricted to the production of that sense, but participates in the sense of touch.

The sideshow feat was just a gaff, but the audience was too proud to admit they'd been fooled.