The phrase "proverbial pinch" refers to a difficult or challenging situation, often used when someone is in need of help or facing a problem. Full definition
It is too early to say if this indeed is the Galaxy Grand 3, and we would advise you take it with the proverbial pinch of salt. (bgr.in)
Recommendations from friends or coworkers (or online reviews, taken with the proverbial pinch of salt) can help guide you in the right direction. (badcredit.org)
Nevertheless, readers are advised to take the new teaser with the proverbial pinch of salt as there is no way to verify the authenticity. (ibtimes.com)