A term consistently used during the lead-in to the "Twitters, Tweets and E-Mail" section of Craig Ferguson's "Late Late Night Show" on CBS.

May refer to the practice of setting a cell phone to "ring" not with sound but with vibration. Worn on the fanny (or inside a fanny pack), such a phone would be communicating an inbound call in "Ass Mode."

the vibration setting on a cell phone

The noise made by an individual who does not know the answer to a question. The noise sounds similar to the vibration of a mobile phone when on Vibration Mode. There may be variations of tone in relation to situation.

To call someone on the telephone. The phrase originates from the silent vibration mode on most cell phones. When the phone rings, your pocket vibrates.

The act of placing a cell phone into your partner's anus while having vaginal sex. With the phone set to vibrate mode, call the cell phone, creating a vibration effect in the vagina. This process is repeated until orgasm is achieved.

When your cell phone rings in your back pocket and because of the precise positioning of the phone in your pocket and the correct ring mode of vibrate and the exact genre of underwear, a pleasing vibration of the scrotum occurs.

What happens due to the vibration caused by your cell phone in your pocket, to let you know you are getting a call or message in 'silent' mode.