Traditional Meanings:

European (Judeo-Christian)

• Little worry if slip – In a dream you slip somewhere, then this dream announces you little accident, but without any difficult consequences;
• Failure if slip and fall – When in the dream you slip and fall on the ground then this dream is not so good, this announces you great misfortune in your life.

Arabian (Islamic)

• False people if slip on a smooth surface – There are a lot of bad people around you, this indicates that falsehood will pursue you.