hwep Share definition Flag Another one of Oh Sehun's many unusual sounds, 'hwep' is most likely a self-motivational sound. See yehet and ohorat. Kai: Can you stay still for one minute? Sehun: Yeah I got it...*to self* hwep! hwep by hwep January 16, 2014 0 0 Get merch Get the hwep mug. Buy Now — $32.95 See more merch