Blimey, what a lot of people! Generally used when caught up in a pressing crowd, or observing a teeming throng
From The Waste Land by TS Eliot, one of Naomi’s A-level English texts
Naomi – 1970s
Naomi Iliff (King) – owner
The original is actually “I had not thought death had undone so many”.
Side note: TS Eliot is an anagram of toilets