Lexiflex Share definition Flag To intentionally use complicated words in an attempt to seem intelligent. To flex one's lexicon, as it were. Don't you muddy this up by lexiflexing. Speak plainly so you get your point across. Lexiflex by TyrianTyrell September 5, 2022 0 0 Get merch Get the Lexiflex mug. Buy Now — $32.95 See more merch