waddle, wattle

Waddle or waddle means to walk with short steps, swaying or rocking from side to side--
He walks with a bit of a waddle since his last operation.
The baby is starting to walk, or rather to waddle.

Wattle or wattle means a fleshy appendage hanging from the chin of a bird, such as a turkey--
See the turkey's red wattle!
Save a scrap of red to make a wattle for the stuffed rooster.

Wattle also means the poles or sticks woven together to make a fence, or as a support for a thatched roof--
They built a cabin, and made a roof of wattle and daub.

Now that you know that, you can say--
"Wait for the turkey to waddle across the yard, and you will see his wattle swing back and forth."

Note--"what'll" is a contraction ( short, informal form ) of "what will", meaning which option or course of action--
What'll we do now?
What'll you have?