shut up and color
v. phr.— «Veteran Cathcart and rookie George endure considerable ribbing from the fraternity of airline fliers. Cathcart has been subjected to every lawyer joke ever uttered, while George, as the new kid on the block, is “supposed to just shut up and color.”» —“Reservists Reach For The Sky In 2nd Jobs” by Laurie Sullivan Salt Lake Tribune (Utah) Apr. 18, 1994. (source: Double-Tongued Dictionary)
Further reading
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