This is the 7374th most frequent Catalan word.
arrebossats
"Breaded" or "battered" (used for food).
Here, 'arrebossats' refers to the fishes being coated in a breadcrumb mixture before cooking.
Els peixos estan arrebossats amb farina de galeta.
The fishes are battered with breadcrumb flour.
In this sentence, 'arrebossades' describes walls being coated or plastered with a material for construction or aesthetic purposes.
Les parets estan arrebossades amb un material groguenc.
The walls are coated with a yellowish material.
Here, 'arrebossats' is used metaphorically to indicate that the comments are imbued or covered figuratively with irony.