kgh Share definition Flag An onomatopoeia affect that simulates somebody making a sound with their throat of callous dismissal or disgust. Comparable to ugh or pfft. <gnuwtey> I just watched all 12 Pokémon movies last night! <dernston> kgh. ¬_¬ kgh by Mr. Briggs November 27, 2009 0 0 Get merch Get the kgh mug. Buy Now — $32.95 See more merch