"Boludo" . Argentinism . Of uncertain origin (there are several theories about its origin, sometimes conflicting and sometimes unfounded). 1 . Said of a person who lacks or lacks understanding or reason. 2 . Foolish, stubborn, arrogant, pedantic, incapable, inept person. 3 . A simple person, without cunning or malice, with little knowledge. 4 . Antonym: intelligent, capable, cunning. 5 . Feminine : "boluda" . 6 . Plural : "boludos" , "boludas" .
It is an adjective typical of the lunfardo, which in principle was used as "silly, idiot", but today it is also a way of directing someone with whom you have a very trustworthy deal and is not taken as offensive. In the entry 'boludo in Argentina' there is a possible etymology. See boludez , che , boludo , bolide , buenudo .