Confidently proclaiming something will not happen, in the hope that by declaring it won’t happen, you’ll coerce fate into actually making it happen.
Examples:
“Listen man, I just know there’s no way I’ll score this weekend”
or
“I know for sure I won’t pass that exam next week”
Also considered my favorite anti-jinx when trying to avoid Murphy and his scurrilous ilk. Invoke - to call into one’s...