lallate (v.) – 1. to speak like a baby or an otherwise pronunciation-challenged child.
2. to bungle the pronunciation of the letter “r” such that it sounds like the letter “l”.
3. to undulate gently, as the tone of a lullaby
“There are probably whole Johns Hopkins U. Press books to be written on the lallating function that humor serves in today’s US psyche.”
Wallace, David Foster. “Some Remarks On Kafka’s Funniness.” Consider the Lobster. New York: Back Bay Books, 2007. p 64.