Oo-mox
Oo-mox was the act of massaging a Ferengi's ears (or "lobes"); there was no translation for the word. Because the Ferengi ear was a major erogenous zone, massaging the ears caused extreme pleasure and relaxation. ()

Oo-mox, though pleasurable, could also have dangers. It could be very distracting for a Ferengi and may often be employed by females or males of other species in order to distract a Ferengi during negotiations or to coerce him into an action he would otherwise avoid. () Such was the case in an early, unofficial encounter in 2151, when T'Pol performed oo-mox on Krem only to incapacitate him with a Vulcan nerve pinch. ()

When Intendant  massaged Zek's earlobes, at his request she employed the specific technique of tugging at his ear hairs. ()

Oo-mox could also be employed for other reasons, notably as a means to an end. The book Oo-mox for Fun and Profit played on this tendency. ()

Some wealthy Ferengi employed females specifically for the purpose of providing oo-mox on demand. Despite the semi-erotic nature of the act the females could perform this service in public as an overt demonstration that their employer could afford such a luxury. (; )

When Quark, Nog, and Rom traveled back in time to 1947 Earth, Nog tricked Nurse Garland into giving him oo-mox. ()

In 2369, Beverly Crusher performed oo-mox on DaiMon 's lobes so she, Worf, and Jean-Luc Picard could gain passage on his ship to discreetly travel to the Cardassian planet Celtris III. ()

Vash had knowledge of how to perform oo-mox. She gave Quark oo-mox when negotiating who got the profits from an auction the two organized. ()

Lwaxana Troi told Odo that she made love with DaiMon Tog while being held hostage on his ship in 2366. (, )

Techniques
Auditory nerve nibble
Eustachian tube rub
Quadruple lobe rub
Tympanic tickle

External link
 

de:Oo-mox
Recreation
Skills