Bomboclat comes from Jamaican Patois and has long circulated online as a reaction word for shock, frustration and comic disbelief, while wallahi is an Arabic expression meaning I swear to God. Combined in short form video and meme edits, the phrase became a compact caption and audio cue that needs no setup. Its popularity comes from the contrast between the serious oath and the exaggerated delivery, allowing creators to reuse it across gaming, sports, prank and everyday fail clips without tying it to one specific scene.