It means clogged, jammed, plugged, covered, occluded. It is an opaque inflection, which means to get in the way, to jam, to obstruct, to plug, to cover, to occlude.
opilado it is incorrectly written and it should be written as "Opilado" being its meaning: The word Opilado is applied to a person or animal when he has eaten or taken much water, so then your digestion is very slow and the belly is inflated in a noticeable way. In colloquial language is opilaoEjemplo said: Juan has drunk so much water that is opilado