bang off

present singular third person bangs off · participle present banging off · participle past banged off · past banged off

1. informaltransitiveTo fire (a weapon or a shot); to ejaculate.
2. informaltransitiveTo typewrite quickly.

   I banged off a letter of complaint to the local newspaper.

3. intransitivebusinessOf an automated loom: to have the shuttle fail to follow its intended path and bang against other parts of the loom.

   If you use our waterproof bobbins you don't have any looms banging off because of filling yarn breaking on splintered, cracked and split bobbins.

   1915, America's Textile Reporter, page 832

   1 more example

   The loom may run well for half an hour, or longer, but as soon as the point of the cam comes in contact with the flat place on the cone a soft pick is the result, and the shuttle not being driven far enough into the box the loom bangs off on the next pick.

   1914, “Cyclopedia of Textile Work”, in American School, Lansing, Ill., page 217