ETYMOLOGY
from jelly + belly
EXAMPLE
“…Oh yes,: he said, wagging his grey beard and wambling a mouthful of liqueur, “Julian is staunch.”
“Ass!” muttered Lanyon, with a diabolical grin, “Jelly-belly!…”
From: The House on the Sands
– Charles Marriott, 1903
Lexicophilia 