zigzagger

plural zigzaggers

1. An attachment for a sewing machine allowing for zigzag stitches.

   Join the pieces with overlapping seams and finish off by stitching with the zigzagger attachment.

   1942, The Chemistry leaflet

   1 more example

   If a woman had the finest conventional sewing machine with all the attachments ever made, she could not do one tenth of the work that can be done on a modern zigzagger.

   1954, Kiplinger's Personal Finance

2. Someone who zigzags; a person who makes rapid changes of direction, especially (figuratively) in opinion, policy etc.

   In the view of Greenberg and his colleagues, Clinton […] was a zigzagger who tailored his views to suit voters.

   2017, David Friend, The Naughty Nineties, Twelve Books

   2 more examples

   That is what has long worried many people about Nixon: they saw him as the political man, the born trimmer, the zigzagger and flipflopper, the constantly moving target

   2005, Before the fall: an inside view of the pre-Watergate White House

   As a self-avowed 'zigzagger' who works back and forth between historical particularities and sociological categories,

   2006, John A. Hall, Ralph Schroeder, An anatomy of power: the social theory of Michael Mann