simple past tense and past participle of shut one's eyes and think of England

(rail transport, Britain) An incorrectly made shunting operation, possibly causing a mishap.

(non-native speakers' English) The best moment to take a picture of a moving subject.

plural of shutter chance

(politics) The cessation of non-essential operations or services of a government, often as a result of a budget crisis.

(minced oath, euphemistic, slang) shut the fuck up (usually expressing disbelief)