Scorpios are known for their intense emotions and passionate nature. Their deep feelings can occasionally manifest as a mean streak, particularly when they feel threatened or betrayed. 

 Aries individuals are known for their assertiveness and determination. Their direct and straightforward approach may sometimes be perceived as mean or aggressive.

Capricorns often prioritize their ambitions and can appear cold or detached. Their strong work ethic and drive for success may cause them to focus more on their goals than on nurturing relationships.

 Sagittarians highly value their independence and freedom. They tend to be brutally honest and may come across as mean or tactless in their straightforwardness.