be On Vacation

Now, I am on winter vacation. When I go to work I am very busy, but when I am stay at home, I have nothing to do, I am bored boring.

我是一个很无聊的人。I am boring.
我很无聊。   I am bored.

To be on vacation vaction.

Now I am on winter vacation vaction. Wwhen I go to work I am very busy, bBut when I stay at home, I have nothing to do, I am bored boring.

I am bored - 很无聊 （没有事儿）

I am boring - 我是无聊 (?)

"I am bored" is like saying you have nothing to do (or you don't want to do anything)

"I am boring" refers to you as an individual! Eg, "this person is boring" (this person is not very interesting)