"A maple syrup keg? ... Ummm ... Nope! Don't recall seeing a big wooden keg full of sweet, sticky awesomeness ... Nope, doesn't ring a bell at all!"
Other possibilities include:
"Oh geez ... Not this again!"
"Pffft! Yeah, sure ... Whatever."
I shrank down the image to a quarter of what it was. This pic is HUGE and I love it!