phossy jaw
Concise Oxford English Dictionary © 2008 Oxford University Press:
phossy jaw /ˈfɒsi/
▶noun historical, informal gangrene of the jawbone caused by phosphorus poisoning.
– origin C19: phossy by abbrev. of phosphorus necrosis, denoting gangrene of the jaw.
'phossy jaw' also found in these Oxford entries:

