The most common and most likely answer to this crossword clue is the 11 letter word POT-BELLIED
I've seen this crossword clue in Independent
P
O
T
-
B
E
L
L
I
E
D
More clues leading to the result POT-BELLIED
Buddy explains!

The straight part
We know that "like some sort of pig?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case like some sort of pig? = pot-bellied.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.