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1.
Typing fail is the typing version of an epic fail. What happens when you type way to fast in order to try to do something fast or look cool.

Usually when a typing fail occurs three or more words in a row are misspelled and .
Normal sentence:
The cat chased the dog around the park

Typing Fail:
hte act chased th edong aroun dht poark
by Jay McNinja March 04, 2009