(1) And I've bored you to death, but tough patooties, cause I love talking about myself. I'm self-centered, as if you couldn't already tell.
(2) As my dad used to say, tough patooties. Here, as the dissenters in Bush v. Gore noted, the courts are taking the next logical step on the equal protection...
(3) If I missed you this week, tough patooties. This stuff is hard!
Patootiest is derived from patootie, being short for sweet patootie, a term of endearment. So, for example, saying a child "is the patootiest" means that they are the "sweetest".
When the grandmother reviewed the comments made to a posting of a picture of her grandsons: "OMG what cutie patooties!" , she remarked, "They are the patootiest!"