A duck walks into a bar and asks the barman:
DUCK: have you got any grapes?
BARMAN: no
duck comes back the next day....
DUCK: have you got any grapes?
BARMAN: no we don't sell grapes.
duck comes back the day after....
DUCK: have you got any grapes?
BARMAN: NO we don't sell grapes and if you come in again and ask i will nail your feet to the floor....
the next day in the pub...duck says to barman....
DUCK:Have you got any nails?
BARMAN: No!
DUCK: Have you got any grapes...?....
PMSL