Defibrillator

[Magaret]

Urban: A sexual maneuver similar to the shocker, only reversed. That is, [one finger] is inserted into the vagina and two are inserted into the anus.

• Two in the stink, one in the pink.
• Two in the smelly, one in the jelly.
  etc. etc.

Traditional: An electrical device used to [counteract] fibrillation of the heart muscle and restore normal heartbeat by applying a brief [electric shock].

[Julian]

An apparatus used to control heart fibrillation by application of an electric current to the chest wall or heart.

[Julian]

N. 1) A [device] found in most places of business that prevents you from lying later. 2) A word paramedics use to [say goodbye]. Usually [cheesy].

[Sonia]

a machine that uses an electric current to stop any irregular and dangerous activity of the hearts muscles, used especially in hospitals: