What is I Could Eat The Crutch Off A Low Flying Duck?
1.
To be so hungry that if a duck were to fly over you quite close to your head you would reach up and take a bite of the duck's crutch in order to ease your hunger pains.
Man I'm so hungry I could eat the crutch off a low flying duck!
See
Random Words:
1.
...once again another term for pooping
"I'll be with you folks in a moment I have to download software"...