British Dictionary definitions for bump off
(tr, adverb) slang to murder; kill
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Other Idioms and Phrases with bumpoff
Kill, murder, as in The convict bragged about bumping off his partner, or The first fighter plane bumped off three enemy aircraft. This term was at first principally criminal slang and somewhat later military jargon. [Slang; c. 1900]
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.