give (away)சொல்லுcollu(sollu)(3c intr, tr)disclose; divulge, as a secret, etc.; give s.t. out; (inf.)let the cat out of the bag; spill the beans
Usage:
படத்தின் முழுக் கதையையும் நீ சொல்லவேண்டியதில்லை!paṭattiṉ muḻuk kataiyaiyum nī collavēṇṭiyatillai!
paḍattooḍa muḻu kadeyeyum nii sollaveeṇiyadille?
You didn't have to give away the whole plot of the movie!