嚓嚓 Traditional form: 嚓嚓 Pinyin (reading): cācā Definitions: (onom.) scraping sound ripping of fabric screeching of tires Characters: 嚓 - a cracking or snapping sound 嚓 - a cracking or snapping sound Traditional characters: 嚓 - a cracking or snapping sound 嚓 - a cracking or snapping sound