I would say "what?" if faced with that hog.
If it's actually made out of pig iron, that is easily the largest and heaviest pun I've ever seen.
Yeah, I imagine the maker of that pig, lugging around hunks of pig iron, reassuring himself "This is hard work, but it will be
so worth it. This is
so funny." And then at the unveiling, golf claps and polite chuckles from the owner of Dothan Recycling, and the maker is all "don't you get it? It's a
pig, made out of
pig iron!"
"Oh, yeah... I get it. Funny."
"No - I spent 3 days hauling iron around. I lost 30 pounds of sweat welding it together."
"Yeah, and I said it's funny."
"But you didn't laugh - not really."
"Oh, well, it's cute. Ha."
"See - that was a forced laugh."
"Look you need to calm down."
"No! I will not calm down! I spent weeks drafting this pig out! I consulted with Carrot Top's design team! This is funny! You just don't know what funny is!"
"Okay. Okay Mr. Smith... we like your pig! Dothan Recycling is prepared to pay you..."
"You suits just don't get me! I'm an artist! That pig... that pig is personal. It's my heart up there!"
"Sure... okay"
"Why are you taking out your cell phone!"
"I'm... I think I should call your wife."
"No. No god damn it! Look at my pig. Look at it! You need to see my pig. You need to really see it."
"Yeah, I'm calling Nancy."
Later Mr.Smith's wife Nancy divorces him and he takes out the owner of Dothan Recycling before returning to the pig statue where he attempts to destroy the pig. Sadly though, the pig will not fall - pig iron is sturdy, and his welding job of such high quality. Mr. Smith climbs a top the pig as rain starts to fall, and begins clanging a shovel over the pig's face, making only cursory scratches. In a final swing of the shovel Mr. Smith accidentally cuts loose the overhead wires and electrocutes himself. The local paper prints the headline "Death by Piggyback" with an accompanying article rife with references to barbecue, pig headedness, etc. Sadly, no one laughs at the article either. This is why puns are so horrible. They're not just weak humour - they kill.