To strike an attitude

to take an attitude for mere effect.
See under Attitude, and Balance.

See also: Attitude, Strike

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
There are plenty of cute tea dresses for the romantic in summer who likes to strike an attitude on the croquet lawn, cucumber sandwich in one hand and glass of Pimms in the other.
I had another disgusting meeting, in the same week, with the British Defense Secretary, Malcolm Rifkind, who had come to Washington to strike an attitude at the unveiling of the Holocaust Museum.
They are determined to strike an attitude which embarrasses their profession and insults those people such as doctors, nurses and members of the emergency services, who have no option but to work.