The cow has a mouth
The cow has a mouth
And on that cow's mouth... was a mouth!
And on that's cow's mouth's mouth was a pig.
And on that cow's mouth's mouth's pig was a mouth.
The cow's mouth's mouth's pig's mouth had a mouth, which had a trout.
And the cow's mouth's mouth's pig's mouth has a trout with a mouth on his mouth.
The cow has a mouth has a pig has a mouth has a mouth has a trout has an owl has a mouth has a mouth has a chicken has a mouth has a mouth has a mouth has a mouth has a frog
The cow's pig's trout's owl's chicken has a mouth
Yeah, the cow's pig's trout's owl's chicken has a mouth, has a mouth
Has a mouth has a mouth has a mouth has a mouse has a mouth has a mouth has a mouse has a mouth has a mouth has a mouth has a mouth has a mouth has a mouth has a mouth has a mouth
Cow's mouth's mouth has pig's mouth's mouth has trout's mouth's mouth has owl's owl's mouth has chicken's fowl mouth, has a fowl mouth mouth
Has a frog, has a hound, and the hound, haaa-yeahh, it has a mouth!

C'mon!

The cow's mouth's mouth has a pig's mouth's mouth has a trout's mouth's mouth has an owl's mouth's mouth has a chicken's fowl mouth
The chicken's fowl mouth has a mouth has a frog has a mouth has a mouth has a mouth
But that's not all!
The cow's mouth's mouth has a chicken's pig's pig's mouth's mouth has a trout's mouth's mouth, has an owl's mouth's mouth, has a chicken's fowl mouth, has a frog, has a hound's mouth's mouth
And on that hound's mouth was an elephant........'s mouth!

BUT NO ELEPHANT IN SIGHT!

The cow's mouth's mouth has a pig's mouth's mouth has a trout's mouth's mouth has an owl's mouth's mouth has a ???? mouth has a chicken's mouth's mouth has a frog's mouth's mouth has an elephant's mouth
...etc :-)