Correct terminology takes everything from hobby to professional level.
Paul and Max are homebrewing.
Paul: Ok, now we mash in.
Max: So we dump the grain in the water?
Max: What, what? Did we mess it up?!
Paul: No, no, just don't say "dump in". "Mashing in" sounds much more professional!
Max: Right, and we're not drinking beer, we're working in quality control.
Paul: ...not drunk, just overworked.