Sweding is a term that came from the film
Be Kind Rewind, where Jack Black and others did zero-budget spoof remakes of existing films. Swedes are short, featuring well known scenes and characters, and use daft props in place of SFX/CGI.
Here's the film trailer, followed by a sample of its
Ghostbusters swede:
There are
many examples of swedes online; here are a few examples:
Transformers: