big guy goes in says, 'heres a judo kick from Japan' and kicks the small bloke. next day guy goes in and says 'here's a karate chop from China' and chops the small bloke. next day, small bloke goes in to the pub and the big guy is sitting there, the small guy batters the big guy off the stool then says to the barman 'when he wakes up tell him that's a crowbar from B & Q'