Sweat droplets are often a cheeky nod to sexual fluids or arousal, especially in flirtatious memes or spicy jokes.
The yawning face usually means tired or bored, used when something is dull or when youβre trying not to fall asleep.
Both emojis are used to convey a quick, vibe-based reaction rather than a literal description.
One signals energy and heat (sexual or flirty), the other signals exhaustion or boredom.