gricer
Concise Oxford English Dictionary © 2008 Oxford University Press:
gricer /ˈgrʌɪsə/
▶noun Brit. informal a railway enthusiast.
– derivatives
gricing noun.
gricing noun.
– origin 1960s: origin uncertain; perh. a humorous representation of an upper-class pronunc. of grouser ‘grouse-shooter’.
'gricer' also found in these Oxford entries:

