The Sarcastic Laugh: When you're laughing on the inside... or not at all.
U+1F642
A subtle smile that can convey a range of emotions, including politeness, satisfaction, or calm. However, it is often interpreted as ironic, passive-aggressive, or dismissive.
Due to its ambiguity, its meaning is highly dependent on the context of the conversation. It can sometimes be perceived as patronizing.
Fully supported across all platforms, though its subtle design can lead to varied interpretations.