buttocker

plural buttockers

1. historicalbusinessA worker who gets coal off at a longwall face.
2. governmentOne who uses the cross-buttock throw.

   It is a chip, however, always fraught with peril, as the slack hold of the buttocker, if he misses his aim, enables his opponent to gain a firmer grip, which he is certain to make the best use of in the commanding position in which he finds himself.

   1889, Walter Armstrong, Wrestling, page 199