ngengengengengeh Share definition Flag Peter Griffin's laugh. mainly used for funny situations. Brian: "Hey Peter, what the hell are you doing?" Peter: "Crack." Brian: "What the fuck?!" Peter: "ngengengengengeh" ngengengengengeh by Consolaria October 11, 2022 0 0 Get merch Get the ngengengengengeh mug. Buy Now — $32.95 See more merch