Pour nous sommes Englais....
(which at the time I thought was French for "because we are English," but it turns out it's not even that...at least not proper French.)

The story:

I was in the car, wailing away with the band, when I saw my brother, whose a big fan, staring at me with disgust and horror. "What kind of crack are you on?" he asked. I tried to convince him I was right until he showed me an album cover.