It's important to note that this phrase could have different connotations depending on the context:
* It could be a band name. "Los Gordos" might be the name of a musical group, and "Trio" refers to the number of musicians in the group.
* It could be a restaurant name. "Los Gordos" might be a restaurant name, and "Trio" could refer to a particular set menu or dish.
* It could be a slang term. Depending on the region or group, "Los Gordos" might be used as a playful, affectionate, or even derogatory term for three people.
Without further context, it's impossible to know the exact meaning of "Trios los Gordos."