Bomboclaat comes from Jamaican Patois, where it is used as a strong exclamation of shock, frustration or surprise. It spread widely online in 2019 as a social media caption meme, with users posting a photo or video alongside the word and inviting others to add their own funny interpretation. From there it moved onto TikTok and short-form video, where the spoken version became a quick reaction sound for unbelievable moments. Its short length and instantly recognisable attitude keep it in regular use for memes and reaction edits.