Top Definition
An ecstasy pill; yellow and contains an imprint of a transformer on the front side of the pill. Transformers also come in other colors such as blue, but their are so many more types of XTC pills, transformers are just the start.
Girl #1: Girl you hella wiggin! What chu take?

Girl #2: Man im thizzin right now, I popped ay yellow transformer!
by daniella crystal March 22, 2009
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