Something that seems weird, odd, peculiar, or doesn't make sense in a dream can represent:
The characteristic that makes it seem odd (such as the crookedness of a crooked road representing a complex process, or a strange language representing a communication breakdown with someone)
Something in real life that doesn't make sense to you or that your subconscious mind is trying to understand
Someone or something in real life that you consider weird or different
The unknown, or a fear of the unknown or of things that are different