switching to incognito (private) mode in your browser to surf the porn sites and not get caught by your girlfriend, parents etc.
Alex: I forgot to clean the cache after visiting YouPorn so my girlfriend get mad at me
Mike: Man, didn't you know there's porncognito mode in your browser?
Mike: Man, didn't you know there's porncognito mode in your browser?
by mikesixpack May 6, 2014
Get the porncognitomug.