What Makes Up the Name: snide + remark

Apparently, the godfather of the portmanteau, Lewis Carroll, came up with this one originally as a mythical beast, only to have it make become a stylistic necessity in internet journalism over a hundred years later.

Origin: The modern meaning came into usage in the early 20th century.

See Also: gawker.com (We know it's an old joke but we're so far along in this list we thought you wouldn't notice)