γαυριόομαι

From LSJ

ἐπιπόλαια γὰρ λέγομεν τὰ παντὶ δῆλα → by superficial we mean those that are obvious to all

Source

Spanish (DGE)

mostrarse arrogante, fiero λαὸς ... ὡς λέων γαυριωθήσεται LXX Nu.23.24.