snubதெரியாததுபோலிருteriyātatupōliru(teriyaada maadiri iru)(7 intr)pretend not to know s.o.; refuse to acknowledge, ignore s.o.; slight by ignoring or behaving coldly toward; ignore or spurn disdainfully; rebuff or humiliate with sharp words or a marked lack of cordiality
Usage:
என்னைப் பார்த்து ஒன்றும் தெரியாததுபோலிருந்தானே!eṉṉaip pārttu oṉṟum teriyātatupōliruntāṉē!
enne paattu oṇṇum teriyaadamaadiri irundaanee?
He just snubbed me as if he had no idea who I was!