vanakam Share definition Flag Vanakam is "Hello" in Tamil which is a language, spoken by Indian, Sri Lankan etc. "Vanakam!" - Hey, Hi, Yo. "Vanakam vanthanam!" or "Nalvaravu" - welcome. vanakam by Tamilz May 11, 2007 0 0 Get merch Get the vanakam mug. Buy Now — $32.95 See more merch