http://tvtropes.org/pmwiki/pmwiki.php/Tropers/Xeroop Following Tropers / Xeroop Go To Xeroop's Edits Avatar Gallery Send Message × Edit Locked Create New - Create New - Analysis Awesome Characters FanWorks FanficRecs Fridge Funny Haiku Headscratchers Heartwarming ImageLinks Laconic NightmareFuel PlayingWith Quotes Recap ReferencedBy Shocking TearJerker Timeline Trivia WMG YMMV Xeroop [ksĕ-rüp] noun, "A high probability of dryness", derived from Greek "Xero-" ("dry") and "Op", referring to the mathematical order in probability used in statistical theory.