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The act of simultaenously being overweight and bursting forth from a cake, and then proceeding to slap a nearby person with your genitals.
"The fopor artist was so good i signed his genitals, then i ate his cake.....mmmmmmm creamy yet salty"

"If it wasn't for fopor I'd have been on the atkins diet"
by The Chicster January 07, 2005