Describes a fanwork which features the author as a main character. Written to boost the author's self-esteem, rather than to present an entertaining or thought-provoking plot. Example: Have you read his latest Sailor Moon self-insertion fanfic? That guy is desperate.
SELF-INSERTION
Meaning of SELF-INSERTION in English
Slang English vocab. Английский сленговый словарь. 2012