The cow says 'moo' the chicken says 'cluck' and the pig says ... 'Dazzlehands!'
As hard as the farmer tries, pig won't go 'oink'. Instead, pig gets all the animals moving to:
'Train hands, rain hands,
fly-it-like-a-plane hands.
Bursting with the razzle,
gotta liberate these
DAZZLEHANDS!'