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1. (Gemstone IV) One who follows the sexual, rough-and-tumble religion of the Mularosian Tierus; a stud or seductress.

2. Of or relating to Tierus.
1. "Starsnuffer is quite the Tierian, what with that harem and his accompanying porn music."

2. "These underpants will sell for millions of silvers: they're Tierian."
by GSIVMunky June 06, 2005