The most common and most likely answer to this crossword clue is the 6 letter word CONGEE
I've seen this crossword clue in The Guardian
C
O
N
G
E
E
Buddy explains!
The straight part
We know that "porridge" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case porridge = congee.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CONGEE mean?
CONGEE noun- Leave, formal permission for some action, :
- Formal dismissal; any dismissal; (originally & particularly humorously ironic) abrupt dismissal without ceremony.
- Formal leavetaking; any farewell.
- A fee paid to make another go away, alms to a persistent beggar.
- A bow, curtsey, or other gesture made at departure but (later) including at greeting or in obeissance or respect.
- To give congee, (particularly)
- To take congee: to leave ceremoniously.
- To make a congee: to bow, curtsey, etc., (particularly dialectal) while leaving; to make obeissance, show respect, or defer to someone or something.
- A type of thick rice porridge or soup, sometimes prepared with vegetables and/or meat.