I have a goldfish 

What you say when a girl says "I have a boyfriend."

girl - "I have a boyfriend."

guy - "I have a goldfish."

girl - "what?"

Guy - "Oh I thought we were talking about stuff that didn't matter."

I have a goldfish by sherm stick 90 March 16, 2010

I have a gold fish 

A phrase you use when people tell you things that you don't give two inches of a crap about.

Dave: Hey, hows it going?
Girl at Bar: Ummm, I have a Boyfriend so....
Dave: Really? I have a gold fish.
Girl: Ok???
Dave: Ya, I thought we were talking about things that don't matter.

I have a gold fish by Michael Busey July 3, 2011