backfire தன்னைச்சுடு taṉṉaiccuṭu (tanne suḍu) (4 intr) have the opposite effect of what was desired; rebound, boomerang, come back; fail, miscarry, go wrong; (inf.) come back to bite or haunt (you); blow up in o's face; have a boomerang effect;
Usage:
அவன் சொன்ன வார்த்தை திரும்பி அவனையே சுட்டது avaṉ coṉṉa vārttai tirumpi avaṉaiyē cuṭṭatu avan sonna vaartte tirumbi avaneyee suṭṭuccu His words backfired on him and blew up in his face.