My Girlfriend is a Hot Blonde Ninja

[joe_doki]

My:
Implies ownership in the first person

Girlfriend:
female partner in a non-marital romantic relationship

Is
Third person form of "To Be"

A
The indefinate Article

Hot
Attractive

Blonde
hair color characterized by low levels of the dark pigment eumelanin

Ninja
a warrior specially trained in a variety of unorthodox arts of war