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Vile thug Conor Parker said he hated the police after spitting at officers and trying to land headbutts.
Parker displayed shocking aggressive behaviour at Bedlington police station after being taken there in August.
A court heard he seemed "almost delirious" as he grabbed an officer's neck, tried to headbutt a PC twice and spat directly at two officers.
A judge at Newcastle Crown Court said the attacks left the police officers frightened.
Judge Christopher Prince told Parker: "Any offences that are committed against public workers, such as police officers, will always be treated seriously by the courts.
"These are the people who protect the public and indeed protect you, as a member of the public.