"Water splashes" refers to the sound and movement made when water forcefully hits a surface, resulting in droplets flying in different directions. Full definition
Add water a splash at a time to thin consistency if needed. (101cookbooks.com)
Increased water splash could increase the possibility of shock cooling of the rotors. (mechanics.stackexchange.com)
The tablet is also more geared towards outdoor use than your average tablet, as it is moisture resistant, which means it can handle the odd water splash. (turbofuture.com)