I have a friend who frequently tells the same knock-knock joke down the pub.
'Knock knock'
'Who's there'
'Interrupting slap'
....
It sometimes works :D
(
Walrus Man Think hippy thoughts,
Sun 10 Aug 2008, 17:10,
archived)
;)
(
Valin I changed glasses while I wasn't looking,
Sun 10 Aug 2008, 17:20,
archived)