Items of clothing requiring sophisticated laundering techniques (e.g., hand wash, gentle cycle, cold water only, lay flat to dry, dry clean only) that tend to remain unlaundered for long periods of time and are often worn infrequently.

Examples: lingerie, items made from wool, silk, or linen fabric. The adjective “pink” hints at their delicate nature.
Courtney: I can’t find my black strapless bra. I think the last time I wore it was Jason’s party last summer.

Megan: It must be pink laundry. Look in that basket of dirty clothes next to the washing machine.
by Claudia Snow January 17, 2011
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