To dream of cologne represents your wish to make someone else feel good about your actions, ideas, or behavior. You may be saying something to someone that you want liking you. Wanting someone feeling good about you.
To dream of bad smelling may represent something you or someone else is doing to be liked by others that isn’t working well. A sign that new ideas are in order or that someone just isn’t “getting it.”
To dream of samples of may represents an opportunity to try to make a new impression with someone. To experiment with something that may make others feel good about you.
Example: A man dreamed of buying . In waking life he told a girl to how beautiful he thought she was. The cologne reflected his wish to be liked or seen more attractive by her with what he was saying.