π’ means the anger/irritation symbol; people use it to show quick bursts of anger, frustration, or intense irritation, often in reaction to something annoying or infuriating.
π¦ is often used to depict sweating or effort, but online it also carries sexual connotations like cum/ejaculate and is used to hint at sexual fluids or arousal in a playful or suggestive way.
Both are used to convey a strong, visceral reaction in a compact symbol.
π’ centers on anger or intensity, while π¦ can indicate exertion and sweat or sexual content.