pissabed

plural pissabeds · alternative piss-the-bed · alternative pissy-bed · alternative pissy bed

1. Any dandelion (Taraxacum officinale), formerly much used for its diuretic properties.First known use 16th c.

   Of flowers there was no trace, save of the flowers that plant themselves, or never die […] The chief of these was the pissabed.

   1953, Samuel Beckett, Watt, [Paris]: Olympia Press, →OCLC

   1 more example

   The tufted hillock […] had no buildings on and only golden clumps of piss-the-bed that were not yet gone into misty balls of seed.

   2016, Alan Moore, Jerusalem, Liveright, published 2016, page 139

2. dialectalAny of various other wild plants with diuretic properties; bluet, oxeye daisy, etc.
3. archaicslangA bedwetter.