shavetail(redirected from shavetails)
Also found in: Idioms.
1. (Military) military slang censorious a derogatory term for a second lieutenant or newly commissioned officer
2. (Animals) a pack mule that has not been broken in or trained yet
3. censorious a person with little experience
a newly commissioned army officer, esp. a second lieutenant.
[1890–95, Amer.; orig. in reference to unbroken army mules, whose tails were shaved for identification]