Nigerian model and actress, Beverly Osu has taken to her Instagram page to reveal the two verified steps on how to be called a prostitute in Nigeria. According to her, once you exist as a woman then you can be called a prostitute.

She wrote; 
Steps on How To Be Called An "ASHAWO".In Nigeria.-BE A WOMAN-EXIST -To my non Nigerian followers, "ASHAWO" means a Slut....
See screenshot below;  

Beverly Ada Mary Osu is a Nigerian video vixen, model and actress. She is predominantly known for her roles in several films and for her participation in the 8th season of Big Brother Africa. 
Osu won Model of the Year at the 2011 Dynamix All Youth Awards.