A car-eating,
vampire bat lurking in a hedge. Or if you were driving along a stretch of road with a distinct lack of hedge-i-ness and anything happened
(
wobblyjelly,
Thu 20 May 2004, 17:30,
archived)
Drive your car into the hedge. The bet will reveal itself, allowing you to kill it.
(
1,
Thu 20 May 2004, 17:34,
archived)