The drops represent splashing sweat. Somebody is making either a physical or a mental effort right now. In sexual contact for body fluids or excitement.
The sweat droplets emoji was introduced in 2010 and released as part of the Unicode 11.0 standard. This emoji can be found under the smileys and emotions
category. Because the sweat droplets emoji has been around for quite some time, it should display correctly in the majority of operating systems.