喀嚓 kāchākācā [sound of snapping] Origin Definitions Defs Strokes Stroke Words Sentences Sents 喀 kā noun [sound] The sound of coughing, vomiting, or something snapping; also used to represent the clicking sound of a camera shutter.嚓 cā noun [onomatopoeia] Describes a scraping, ripping, screeching, or crunching sound; often used in the combinations 喀嚓 kāchā and 啪嚓 pāchā.