Megan Pete ‘Megan Thee Stallion’, rapper, was born February 15, 1995. Under her mother’s management company, Pretty Time Entertainment Management, Megan The Stallion began to gain notoriety after meeting super producer TA and releasing her first single “Like a Stallion” in April 2016. Megan got the nickname “Thee Stallion” in high school — stallion being a standard Texas title applied to tall, attractive women — before she ever laid down one bar. That changed when she got to college. Megan The Stallion Biography and Profile.