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1 definition by Skanktasia

Short for "Gratuitous Picture Of Yourself," usually accompanied picture of yourself, or something that you do. Most commonly used on tumblr both in the main post and as a tag.
Person posts a gif of someone dancing like an idiot, "GPOY"
Person posts a picture of themselves making an awful face, "GPOY"
by Skanktasia March 16, 2011