For an icebreaker, we were each asked to share a noteworthy quirk [kwɜrk] about ourselves. Mine was that I have to make sure every square of my waffles is buttered evenly before I eat them.

quirk [kwɜrk]
noun

Quirk refers to an unusual habit or way of behaving. It can also refer to something strange that happens by chance, as in “a quirk of fate.”

no one knows whence quirk came—but the twists and turns of its meanings across the centuries. The oldest known use of quirk dates to the mid-1500s

English