diff --git a/lisp/play/meese.el b/lisp/play/meese.el
new file mode 100644
index 00000000000..5ba9dfd2ad2
--- /dev/null
+++ b/lisp/play/meese.el
@@ -0,0 +1,14 @@
+(defun protect-innocence-hook ()
+  (if (and (equal (file-name-nondirectory buffer-file-name) "sex.6")
+	   (not (y-or-n-p "Are you over 18? ")))
+      (progn
+	(clear-visited-file-modtime)
+	(setq buffer-file-name (concat (file-name-directory buffer-file-name)
+				       "celibacy.1"))
+	(let (buffer-read-only)	; otherwise (erase-buffer) may bomb.
+	  (erase-buffer)
+	  (insert-file-contents buffer-file-name t))
+	(rename-buffer (file-name-nondirectory buffer-file-name)))))
+
+(or (memq 'protect-innocence-hook find-file-hooks)
+    (setq find-file-hooks (cons 'protect-innocence-hook find-file-hooks)))