A recent survey of 1,000 diners discovered that around two thirds of us have been served a meal of such dubious quality we can remember how bad it was.
But of those, just half said they've actually told restaurant staff how bad the food really is - many are worried about upsetting the chef.
Being served up cold food is said to be the most common gripe amongst restaurant-goers, followed by poor service. Other complaints include bad wine and badly cooked meat.
Yet despite this, most diners suffer in silence when given a dodgy meal -- and even answer a waiter with, "Yes, it good" while preparing to spit food back out into a napkin.
A spokesman for wheresgoodtoeat.com, which commissioned the poll, said: “The survey has confirmed that as a nation we still don’t like to make a fuss.
"But the only way standards will go up is if restaurants and cafes have customer feedback.