* Weak and easily manipulated: Like a tea leaf that crumbles easily, the person is seen as fragile and susceptible to influence.
* Naive and gullible: They might be easily tricked or taken advantage of.
* Uninteresting and boring: They lack excitement or charisma.
Origin: The term is thought to come from the practice of reading tea leaves, which was a form of fortune-telling. People who were easily influenced or believed in such things were compared to weak tea leaves.
In summary: Being called a tea leaf is a negative term implying someone is lacking in strength, intelligence, and personality.