Top Definition
Phrase coined on message boards to describe the wonked out spelling and grammar used on a regular basis. History and origins of the phrase track back to cult shows such as Space Ghost: Coast to Coast and Sealab 2021.
"Why didn't Elle fights back like when Sylar was trying to remover her head in Heroes?" - is an acual example of someone using retardo type in a message board post.
by rtmb_mover December 06, 2008
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