Eh, eh, eh, eh (accompanied by head moving back and forth) = "Mother, I'm feeling a bit peckish."
Eh, eh, eh, ehEHeh, EHHHHHH! = "I'm starving! Gimme food NOW!"
WAH! (accompanied by arching of back or drawing up of legs) = "Oh! The agony of gas pains! OWIEEEEEE!"
AhAHah, ahAHah, AhAHah = "You're not moving fast enough! Pick me up/give me bottle/get me out of this car seat NOW!"
(grunting, with face going red) = "Oh! The agony of pooping! Better gear up to change diaper!"
"I can hold the baby if you need help." = "Give me my grandbaby. Now."