Various terms of Postmodernism in media:

Pastiche: A form of insulting or making a humourous rip-off of another media text. (Taking the p**s.)
E.g. Hobo with a shot gun is a pastiche of various old 1980's action movies.
E.g. Spaceballs and Robot chicken towards primarily the Star Wars franchise.
E.g. The One direction song about the members being gay.
E.g. Maybe Paul was this to E.T.

Homage: A more serious form of using features from another media text. Sometimes a tribute or show of respect for this text.
E.g. Inglorious basterds to war films, despite none of its features (music or text) being very fitting.
E.g. Arguably, Percy Jackson to Harry Potter.
E.g. Gold Digga to I got a woman to It must be jesus in music. Each song seems to have serious sentiment behind it, while paying tribute to a previous great song of a past generation.

Pathos: Where a media text is effective in achieving what its aim is...
E.g. Inglorious basterds is this, despite its clear mis-use of correct music or text.

Bathos: Where a media text is intentionally bad...
E.g. Hobo with a shotgun. (A copy of a copy of a copy of something that never existed to begin with. Designed to be bad in every way.)