frownage Share definition Flag Basically comes from the word frown and means about the same thing except used in different context. The act of frowning. Person: I failed the SATs Other Person: FROWNAGE! Other Person 2: That is the epitome of frownage. frownage by safsaf May 13, 2005 0 0 Get merch Get the frownage mug. Buy Now — $32.95 See more merch