look up any word, like turnt:
 
1.
Slang term for the lubrication released in a vagina when excited sexually.
"I got inta Shannon's pants, and man, did she have that girl grease thang goin'
by BarkingSpiders October 11, 2007
 
2.
A girl/lady whom you can tell hasn't gotten a shower for a very long time, due to the extremely oily hair, grimy clothes,& oily face.
Damn, watch out & plug your nose, Girl Grease is bout to walk by!
by Mizz JaiMe April 14, 2007