[Flashback to Homer's childhood, where a long line of kids and
their various vehicles have all rear-ended and smashed into each
other. Homer and Barney Gumble, as children, are at the front of
the line, wrecked into a tree.]
Barney: Let's never drink again.
[Back to reality. Homer still has the beer in his hand.]
Homer: And we never did. [takes a swig]
--The Simpsons, "Lisa's Sax."