Definition of Rambo noun from the Oxford Advanced American Dictionary

 

Rambo

 noun
noun
NAmE//ˈræmboʊ//
 
(informal)
 
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a way of referring to a very strong and aggressive man From the name of the main character in David Morrell's novel First Blood, which was made popular in three movies in the 1980s.
See the Oxford Advanced Learner's Dictionary entry: Rambo