1: the ability in which to resemble a retarded person in behavior by being limited in
intellectual or emotional development---often taken to be
offensive
2: the development or academic progress of retarding others
3: the act or instance the extent to which something may be affected with
retardedness
You're so naturally retardable,
playing the part of a
mentally challenged person comes easily to you.
I'm sorry I keep screwing things up, I'm feeling quite retardable today.
That was very retardable of you to remember to
flush the toilet, but forget to wipe.