Slang. a person who is the best or one of the best in a particular field; the top-ranked person in a group.
an ace fighter pilot.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for top gun
Contemporary Examples of top gun
The men toured the Fallon U.S. Naval Air Station in Nevada, where the real Top-Gun pilots train.Antidepressant, Sleep Aid Found in Director Tony Scott’s Body
October 22, 2012