Your fave variable

I'll start

var dickie

Common variable names that I use are: x function string list, where x is usually the only argument of a lambda which is passed around (mapping/reducing/...), and function and string are arguments of the implied type.

Not unlike code like this:

(mapcar #'(lambda (x)
            (unless (predp x)
              (with-stuff
                  (do-something x))))
        list)
Maybe I should instead use a reader macro like [* _ 3] to represent (lambda (x) (* x 3), but I'm not sure it's worth it as I already have a handy keychord to make a new lambda for me.