pelucón
bigwig
peluca
wig
+
-ón
augmentative suffix
Pelucón means bigwig and can be thought of as a big1 (-ón1) wig0 (peluca0), similar to how 'bigwig' in English refers to an important person.
noun
- bigwigA wealthy or influential person, especially one who is conservative or traditional in their views.Los pelucones controlan gran parte de la economía del país. // The bigwigs control a large part of the country's economy.