Why are you itching in between your toes? I’m just picking out my toe fat!
A old-timey saying that refers to when someone is so fat that you compare them to mud.
Me: “That guy is huge!”
My grandpa: “You could say that he was fat as mud.”
An old-timey saying indicating that something is extremely large.
Me: That dude is huge!
Someone’s grandpa: Yeah, he’s fat as mud.