1. The sudden rise in popularity of presidential candidate Richard "Rick" Santorum immediately preceding the 2012 Iowa caucus, and his surprisingly impressive performance in the caucus.
2. The sudden expulsion of a frothy emulsion of personal lubricant and fecal matter ("Santorum
"), often caused by overstimulation of the anal sphincter.
TV Anchor: "The Santorum surge is largely attributable to social conservatives, especially white evangelical Christians."
Viewer (in disgust): "I'll show you a Santorum surge!"