skip to 11:00 - all three messy scenes within about 5 and a half minutes
https://www.youtube.com/watch?v=fZloFqLzOC4

Laurel and Hardy were some of my first wam awakenings. Especially since I was probably extremely young 6/7 yo the scene with the hose down the trousers got me

always loved the mud throwing while playing golf

The best i can find is that the flick is "The Finishing Touch." I can't find the whole movie, however.

Stan was an uncredited writer.

Cing: You like L&H, too? They and Buster Keaton got me over my terrible grief in '19

There's a publicity shot for this film (which I'm sure has been posted on UMD before) of a cement-covered Dorothy Coburn standing between Stan and Ollie. Google image search for "The Finishing Touch" "Dorothy Coburn" found it for me.