(v) To pocket, impocket. OED says: a burlesque word put into the mouth of a fool. Applied as a perversion of impocket, and perhaps intended to suggest petticoat. Example: Used only once by Shakespeare, in _Twelfth Night_: I did impeticos thy gratility.
IMPETICOS
Meaning of IMPETICOS in English
Slang English vocab. Английский сленговый словарь. 2012