so help me
- oathFormal binding promise
- swearVow or use profanity
- vowSolemn personal commitment
- promiseCommitment to act
- pledgeBinding promise given
witness · testimony · court · Bible · hand · truth · solemn · invoke · God · honor · binding · declare · affirm · sacred · stand · raise · judge · jury
so help mejust kidding
Retraction of a jest
not really · tongue in cheek · insincerely · fingers crossed · half-heartedly