Not all that common, but sometimes.
"He's quite the meat head."
"He's an old salt."
"Her personality was rather spicy."
"He's a chicken."
"Don't be a fruit."
"Talking to her is like talking to a vegetable."
"She's such a potato."
"He's pretty corny around executives."
"That guy is a rotten egg."
"Her mind is like a pretzel."
"She was such a cute pumpkin."
"He's such a pig."
"He's nuts."
"What a cow."
