slim downமெலிந்துவிடுmelintuviṭu(melinjupoo)(4 intr)grow lean; become worn-out or weak; lose weight or strength; become thinner/slimmer, thin down, reduce
Usage:
கல்லூரி சென்றபிறகு அவன் மெலிந்துவிட்டான்kallūri ceṉṟapiṟaku avaṉ melintuviṭṭāṉ
kaaleej poonadukkappuram avan melinjupooyiṭṭaan
He has lost weight and slimmed down after going to college.