Top Definition
A children's computer game consisting of a small, pink blob with stubs for legs and bright shining eyes, bouncing through a magical world of rainbows and ice cream and candy. This world is believed to represent the inner workings of the mind and soul of Sir Paul McCartney.
Ringo: "Hey Paul, have you played Otto's Magic Blocks?"
Paul: "I am Otto's Magic Blocks."
by K. E. M. August 10, 2009

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