Itchy star 

Itchy star is when you have a itchy asshole

Man I have a itchy star

Itchy star by Kataklysm September 10, 2008

itchy starfish 

to have a very itchy anal passage (close examination reveals that your anal area is not unlike a starfish)hence

f*@k i have a very itchy starfish

itchy starfish by john scotland June 11, 2008