Definition of sherlock:
(n) :
(humorous) A detective (from Sherlock Holmes), especially used sarcastically to address somebody who has stated the obvious.
(v) :
(informal) To search.
(v) :
(informal) To deduce.
(n) :
An English surname transferred from the nickname.
(n) :
A male given name transferred from the surname, of rare usage.
(v) :
(computing slang) To obsolete a unique feature in third-party software by introducing a similar or identical feature to the OS or a first-party program/app.