fall flat தோல்வியடை (ன்b intr) tōlviyaṭai (toottiḍu ) (4 intr) fail totally, as a scheme, a project, etc.; fail to achieve the desired effect, as a joke, a plan; (inf.) bomb, go over like a lead balloon; tank
Usage:
அவன் திட்டம் முழுமையாகத் தோல்வியடைந்துவிட்டது avaṉ tiṭṭam muḻumaiyākat tōlviyaṭaintuviṭṭatu avan tiṭṭam muḻusaa toottiḍiccu His plan fell flat and failed totally.