- rigidly self-controlled, inhibited, or conservative in attitude.
Origin of tight-assed
First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for tight-assed
Driver plays Jamie, a hipster filmmaker who befriends Ben Stiller's tight-assed documentarian.Oscar Season Kicks Off in Toronto: Channing Tatum, Kristen Stewart, and More Court Awards Glory
September 14, 2014