Do any of these versions help?

Hippo Birdies Two Ewes!
Hippo Birdies Two Ewes!
Hippo Birdies, Hippo Birdies!
Hippo Birdies Two Ewes!



Happy Birthday to you.
You belong in the zoo.
You were born with the monkeys,
And you look like one too.

Happy Birthday to you.
You live in the zoo.
You look like a monkey.
And you smell like one too.

Happy Birthday to you.
You belong in the zoo.
Get plastered, you bastard,
Happy Birthday to you.

Happy birfday to yoo!
Squashed tommarters an stew!
Runnie butteh in the gutteh!
Happy birfday to yoo!