barrigón
pot-bellied
barriga
belly
+
-ón
augmentative suffix
Barrigón means pot-bellied and can be understood as barriga0 (belly0) + -ón1 (augmentative suffix1), literally meaning 'big belly'.
adjective
- pot-belliedHaving a large belly or potbellyEl hombre barrigón no podía abrocharse el cinturón. // The pot-bellied man couldn't fasten his belt.