CL-USER> #:dave
; Evaluation aborted on #<UNBOUND-VARIABLE DAVE {1002FF77D3}>.
CL-USER> (defparameter #:dave 1)
#:DAVE
CL-USER> #:dave
; Evaluation aborted on #<UNBOUND-VARIABLE DAVE {100324B493}>.

(defmacro test (x)
  (let ((blah '#:jim))
    `(let ((,blah ,x))
       (print ,blah))))

CL-USER> (test 10)

10
10
CL-USER>

(defmacro foo () `(quote #:x))
(defmacro bar () `(quote ,(gensym)))

(eq (foo) (foo)) => t
(eq (bar) (bar)) => nil