gistfile1.clj

(import '(java.io ByteArrayInputStream ByteArrayOutputStream
                  ObjectInputStream ObjectOutputStream))

(defmacro wtf
  []
  (Boolean. false)) ;; note the lack of syntax-quote

---------

user=> (wtf)
false

user=> (def f* *1)
#'user/f*

user=> (def f (wtf))
#'user/f

user=> [(wtf) f* f]
[false false false]

user=> (map #(identical? % (Boolean/valueOf false)) [(wtf) f* f])
(true false false)