splasher

plural splashers

1. Someone who splashes.

   They gave her room, all right, especially if her medium happened to be water color, as Judy was a grand splasher and spared neither water nor paint.

   1915, Nell Speed, Molly Brown's Orchard Home

2. datedA guard to keep off splashes from anything; especially, one of the guards over the wheels of a carriage, locomotive, etc.

   No. 6959 is painted in the standard wartime black livery and, like its immediate predecessors, does not carry a nameplate, but the words "Hall Class" have been painted on the middle coupled-wheel splasher.

   1944 November and December, “Modified G.W.R. "Hall" Class Locomotives”, in Railway Magazine, page 350

   Synonyms: splashguard

3. Multicultural London EnglishslangA knife used as a weapon.

   Juice man up with this 15 inch Like, now I got blood on my splasher

   2020 August 13, Blacz, “TwentyTwo”, 1:21–1:26

   Synonyms: jooka, jooker, nank, shank, bassy, rambo, pokey, chete