buchón
potbellied person
buche
crop (of a bird)
+
-ón
augmentative suffix
Buchón means potbellied person and can be thought of as someone with a large (-ón1) crop (like a bird)0 (buche0), referring to their protruding belly.
noun
- potbellied personA person with a protruding belly or potbellyDespués de las fiestas, quedó buchón por comer tanto. // After the holidays, he became potbellied from eating so much.
- pouter pigeonA type of pigeon with an enlarged cropEl buchón es una raza de paloma conocida por su buche inflado. // The pouter pigeon is a breed of pigeon known for its inflated crop.