Eight 
To dream of the number eight represents strength, jurisdiction, prosperity, and revitalization. You should listen to your hunches when you have them.
Eighteen
To dream of the number eighteen signifies materialistic desires as well as issues of corporeal affects. It can be a warning of deceit or others taking advantage of you.
Eight Ball
To dream of an eight-ball suggests a fear of being left behind or a sense of deep inadequacy. An eight-ball indicates a feeling of inferiority and reminds you to seek out and enhance your strong qualities. This will allow you to contribute to a current situation in your waking life.
Bingo
Playing bingo in a dream means either it's commenting on age like how old you feel or it's an indication of hope for something to happen. Quirkily playing bingo or being surrounded by elderly people should urge you to consider what your dream may be telling you about yourself in regards to age. As bingo symbolizes your hoping for something to happen, it's yet most likely point to something that's against the odds such as winning the lotto.
Octagon
To dream of an octagon suggests a spiritual renewal.
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