Slang. a person who acts in an aggressive and decisive manner, especially in business or politics, as an investor who takes large risks in seeking large, quick gains.
Origin of gunslinger
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
slang a gunfighter or gunman, esp in the Old West
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