Germish

A person who is Irish/German, but is to tired to pronounce either and it comes out as Germish.

Him: What is your ethnicity?
Her: Im actually Germish (Irish/German)

Germish

A person who is German/Irish, but is to tired to explain, so it comes out as Germish.

Him: What's your Ethnicity man?

Him: I'm actually Germish...