Go outside, somewhere secluded
Punch yourself, come back, say you were mugged, get sent home :)
(Although I'm sure there are less painful ways of achieving this)
(
Mrs Trellis GIN,
Tue 14 Apr 2009, 10:13,
archived)
draw a bruise on with crayons
(
Mighty Nibus who dares gins | @nibus,
Tue 14 Apr 2009, 10:14,
archived)