Funneling

[Justin Bieber]

The use of a funnel to insert objects into a persons anus for stimulation and pleasure.

[Tina]

The most sexual act you can think of

[Lanell]

To give oral sex to a man by attaching a tube to his penis, while on the other end of the tube, a funnel is attached. Person giving oral must then, with much force, suck from funnel.

[Lanell]

an object that has a wide round opening at the top, sloping sides, and a narrow tube at the bottom, used for pouring liquids or powders into containers with narrow necks: