Definition of weirdo noun from the Oxford Advanced American Dictionary

 

weirdo

 noun
noun
NAmE//ˈwɪrdoʊ//
 
(pl. weirdos
NAmE//ˈwɪrdoʊz//
 
)
(informal)(disapproving)
 
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a person who looks strange and/or behaves in a strange way It's dangerous to be out by yourself — there are too many weirdos around.
See the Oxford Advanced Learner's Dictionary entry: weirdo