Moving pianos

[MR DAVID M SWARTZ]

> Does anyone know the expression "bust a gut", what it means, and/or
where it
> originates?

>My guess would be that we're talking about lifting something and
getting
a hernia.

And here I always thought it meant laughing yourself stupid. (that's
generally what I do when someone asks me to move a piano)

Dave Swartz, RPT