To chew in order to confirm authenticity of an object or person. Example: Make sure you authentimasticate any would-be triangle players before you allow them to join the band. You can never be safe these days-- there's lots of bogus tambouriners itching to have a go.
AUTHENTIMASTICATE
Meaning of AUTHENTIMASTICATE in English
Slang English vocab. Английский сленговый словарь. 2012