“Polo Man” is about Fukkit’s over the top life style as he sings about sex, drugs, and violence. The title is referring to the Polo Ralph Lauren, a brand whose logo is of a man riding a horse.
Fukkit uses this imagery to convey 2 things, his sex life, “she ride me just like the polo man”, and perhaps his wealth as well as Polo Ralph Lauren is considered a luxurious brand.