aluminum shower

noun3

1. •
   (figurative) The result of a midair collision of two aircraft.

   • As his screen displayed the falling and fragmenting wreckage of two aircraft that had collided at 2,650 ft. three miles northeast of Lindbergh Field, he muttered, "Jesus Christ, an aluminum shower." — 1978
2. •
   A party or similar event at which aluminum household items are given, as for a wedding.

   • A delightful evening was spent Wednesday, May 27th, when an aluminum shower was given to Miss Alice Strycker at her home, 1907 Baker Street, San Francisco, to celebrate her approaching marriage. — 1914
3. •
   (old-fashioned) An event at which people give household items made of aluminum to the war effort.