To add offensive words to the dictionaries of your texting and similar software so that you may actually say what you wish to say without the software presuming that you're too prude to cuss.
This goddamned motherfucking "smart" phone keeps autocorrecting my swear words, so it's time to fucking debowdlerize this piece of shit so that it will assume that I want to talk like an offensive drunken sailor with Tourettes going through shitty assed motherfucking divorce, even if I'm just asking a friend for directions!