In article , Harold & Susan Vordos says...

What can happen is when you feed the compound on the wrong flank of the
thread, the pressure of the cut can overcome the friction of the carriage
and move it away from the screw, and it often does. The net result is
what is termed a drunken thread.

I've always heard that term used for threads that were
die-cut. And that it can be caused by a die cocking
on the part and still threading along.

I would think that threading with the compound set
along the axis, but with the compound screw not
loaded up against the force of the cut, would cause
a thread that simply had the wrong pitch when
it was done - by the amount of backlash in the
compound screw, basically.

Jim

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