Wet Nelly noun used as a generic name for any form of bread pudding UK There is anecdotal evidence of Wet Nelly being enjoyed during World War 1.
When we were children [in the 1940s] we used to go to the bakery and plague Frank Drower until he gave us some Wet Nelly! — Jean Bolas, CaerwentRemembered, p. 29, 2000