An assurance, guarantee or promise that is only good for a period; it cannot be relied upon 100% because the guarantor will renege on their promise(s) in the face of severe trials (or heat).
Ray: But, he assured me he won't tell on me. That's why I'm shocked he did!
Jay: Wise up dude, that was obviously just a Cohen assurance!
Jay: Wise up dude, that was obviously just a Cohen assurance!
by m-fun February 11, 2019