Canned Spam Edit Meaning

1.

NOT originally-written, lengthy compositions of drivel cut and pasted into unsolicited emails or posted to other people's blog comments sections and / or to internet forums, especially to multiple usenet newsgroups.

Canned Spamusually attempts to support scientifically or politically absurd world views.

Use:

Canned Spam is often employed by Loony Left, Wingnut, and Netkook types in the false belief that most people would believe as they do if only it could be explained properly.

Every time I post about the economy, someone posts Marxist canned spam to the comments section.

See spam, drivel, junk mail, wingnut, newsgroup, blog