Top Definition
The word you use when you can't remember the word "patent." It is a combination of protect, taint, and plaintiff.

Protaintiff can also be used to replace any word you cannot remember.
Hey man, you can't sing that, I got have a protaintiff for the tune.

Albert Einstein worked at a protaintiff office.

Dude, you totally protaintiff'd bill the other day!
by Brunpio December 30, 2011

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