I searched Google Books for "what make you".
Here are some examples:
God answered and said "Jesus held everything in his hands and he was human, he held the heaven and the earth, the earth destroyed itself three times and Jesus still had compassion for it, so what make you so worthy to bring this news to me?" (The Next Level by Qweon Lee Drayton-Washington http://www.fictiondb.com/author/qweon-lee-drayton-washington~the-next-level~454899~b.htm)
Meanwhile, Baker was now holding a sawed off shotgun under the counter just in case Danny needed him for reinforcement. "What make you think that I would help you? Did you helped me when I went up?" Daniel boasted. (The Bridge Back: Sisters, Cousins, Foes and Lovers by Betty Ann http://www.amazon.co.uk/The-Bridge-Back-Sisters-Cousins-ebook/dp/B0059HL63O)
Link to context
"Don't be different," we are counseled, "go along with the crowd. What make you think you have an inside track denied to the rest of us? (Speaking of Christianity:Practical Compassion, Social Justice and Other Wonders by Robert McAfee Brown http://www.goodreads.com/book/show/481424.Speaking_of_Christianity)
What make you think you are going to have a son, and why are you talking like you're not coming back, Isaiah?" Orabell said, hugging him tightly. (Our Time Has Come by Sylvester Stephens http://www.amazon.com/Our-Time-Come-Sylvester-Stephens/dp/1593090269)
Are these sentences using "what make you" grammatically correct?