What 意思 means in below? In this situation, B gave A (B's leader) some bonus money.


A：“你这是什么意思？” 　　'what do you mean?' 
B：“没什么意思，意思意思。”'nothing. just .?.' 　　
A：“你这人真有意思。” 　　  ?
B：“其实也没有别的意思。” 　?
A：“那我就不好意思了。” 　　?
B：“是我不好意思。”        ?
A: What do you mean? or What do you intend to?
B: Nothing, just a little bit of thank you gift.
A: You are bit of an interesting guy.
B: Do not take it seriously, I have no favour to ask for.
A: Alright, I might better keep this.
B: It is my pleasure.

In Chinese, those words could actually mean

甲：你这（给我钱）是什么意思？
乙：没什么意思，就是表示一下（感谢）。
甲：你这人还挺懂事的。
乙：我真的没别的意思，还望您笑纳。
甲：那我就腆着脸收下了。
乙：嗨，这是我应该的。