aluminum shower

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun Used other than as an idiom: see aluminum,‎ shower.
• noun figuratively A shower stall and associated hardware made partially of aluminum.
• noun figuratively, aviation The result of a midair collision of two aircraft.
• noun literally A party or similar event at which aluminum household items are given, as for a wedding.
• noun figuratively An event at which people give household items made of aluminum to the war effort.