The act of inserting your little finger into a girls anus and index finger into the vagina double whammy, then putting your mouth to one of the used holes and making a telephone noise.
Guy 1: Mmmm i just gave jess a proper telephone
Guy 2: Shut up your gob that is well sick
Telephone Conference: Now here is a good one. An outstanding method to tie up several people to listen to a message on the telephone that could be relayed via an email. However it does provide a good way to entertain yourself with the participants that don’t mute their phone and talk about the speaker.