"House-mouse summer"?

Posted by ESC on July 29, 2001

In Reply to: "House-mouse summer"? posted by tom on July 26, 2001

: Does anyone know the meaning and origin of
: the phrase "house-mouse summer"?

I couldn't find this phrase -- specifically I looked in a regional phrase reference. I found "house mouse" (someone who likes to stay indoors, reading for example) but not "house mouse summer."