Lisp Meta-Info

What is the standard way to attach meta-info to Scheme or Common Lisp object? Like a textual description to a function or it's source code.

common lisp has it.

* (defun defile (defiler defilee)
"Defiler will defile the defilee"
(assert (eq (get-gender defiler) :male))
(let ((defilee-body-part (case (get-gender defilee)
((:female (get-vagina defilee)))
((:male (get-anus defilee)))
(t (error "cannot defile"))))
(penis (get-penis defiler)))
(insert-body-part penis defilee-body-part)
(oscillate-body-part penis)
(let ((ejaculate (ejaculate penis)))
(absorb (defilee-body-part ejaculate)))
(enjoy-contentment defiler)
(remove-body-part penis defilee-body-part)))

* (documentation 'defile 'function)

"Defiler will defile the defilee"