a rum do

a rum do

dated An odd, strange, or surprising occurrence, situation, or turn of events, especially one that might be considered somewhat disreputable or distasteful. Primarily heard in UK. A young man taking a wife so much older than himself? My word, what a rum do that is! Well, this is a rum do, if I've ever seen one. The kitchen porter has just been made the head chef!
See also: rum

a rum do

  (British old-fashioned)
if a situation is a rum do, it is strange and people often do not approve of it All three of his ex-wives still live with him. It's a rum do if you ask me.
See also: rum