OP has no sauce means the original poster did not provide a source or proof for the claim. It is a slang way to say the post lacks evidence.
Glossary term
OP has no sauce
A complaint that the original poster has no proof.
Glossary term
A complaint that the original poster has no proof.
OP has no sauce means the original poster did not provide a source or proof for the claim. It is a slang way to say the post lacks evidence.