UWAGH Share definition Flag In other words, Ugh.sound made when annoyed. Person 1 "Hey do have the keys?" Person 2 "no, sorry man." person 1 "UWAGH!" UWAGH by LittlePEEPEECrock December 6, 2011 0 0 Get merch Get the UWAGH mug. Buy Now — $32.95 See more merch