"The Khoisan is the only authoritative voice which can talk about land," she said to loud applause and some cheers.
The woman said the Khoisan were the "first freedom fighters" who fought the colonials when they came here 360 years ago.
"We were the first people of this nation. We were the first people of southern Africa and we still face oppression."
She said the country's history did not start in 1910 when the ANC was formed.
"We lived here and you, your ancestors, and the white ancestors found us here. Only we can talk about land ownership."
Self isolation
Malema told the woman that he thought she was "extremely missing a point".
"Me and you are Africans and this land you are referring to and the whole of Africa was one thing until the colonialists came to divide us