Apparently the iPhone's autocorrect is (a) horrible and (b) very, very dirty. Oh and likes to randomly map puppy => pussy for hilarity.
http://fyouautocorrect.com
Some of my personal faves - I have been LOLing here on the couch instead of sleep -
http://fyouautocorrect.com/view/damn-f-you-auto-correct-complete/1186
http://fyouautocorrect.com/view/damn-f-you-auto-correct-complete/1051
http://fyouautocorrect.com/view/damn-f-you-auto-correct-complete/1064
http://fyouautocorrect.com/view/damn-f-you-auto-correct-complete/1106
http://fyouautocorrect.com/view/damn-f-you-auto-correct-complete/1138
http://fyouautocorrect.com/view/damn-f-you-auto-correct-complete/1163
http://fyouautocorrect.com/view/damn-f-you-auto-correct-complete/1181