We don't have any synonyms for pull a proof yet.
Think pull a proof belongs in the thesaurus? Recommend it and we'll take a look.
Definition of pull a proof:
"A bulletproof window."
°To make proof against bullets.
°(slang) to make resistant to failure.
"We have to bulletproof this program before we let the users at it; check every input, catch every possible flaw...it must not fail in use."