This is the 1355th most frequent Japanese word.
クセ
Habit, quirk, or tendency.
In this sentence, 'クセ' is used to refer to someone's unique trait or habit, often carrying the nuance of being something unconventional or distinctive.
彼の話し方には変なクセがある。
His way of speaking has a strange habit (or peculiarity).
Here, 'クセ' describes a repeated behavior or preference, essentially referring to a characteristic way of doing something.
絵を描く時、私は線を細く描くクセがあります。
When drawing, I have a habit of drawing thin lines.
In this context, 'クセ' indicates a property or tendency, such as a physical deformation that naturally occurs.