Anytime someone does something weird at work or even just deliberately, it's, "Oh! Superstitious, eh?"
The results are the same: some folks are like, "Oh, yeah I am!" or they get defensive and try to explain why, for instance, they change chairs in the lunch room at work, when all the chairs are identical and the same level of uncomfortable.
And something that has become prevalent at the workplace with Laurel and Hardy fans like myself, repeating the last part of what someone said, slowly, with a disapproving grunt, a-la Hardy's, "Hard boiled eggs and nuts. MMMmmph!"
"Superstitious. MMMmmph!"