dame judy

Another way of saying the popular word "dench" famously plucked from the actor Dame Judy Dench's name.

This is no way an insult to her.

This is rhyming slang.
Dame Judi Dench = stench.
It naturally is no reflection on the actress or her thespian abilities. The joy of the phrase is the total irrelevance of the subject to the meaning.

It is quoted several times in Irvine Welsh's novels; some readers have misunderstood what it means when used in phrases liked "He left a Dame Judi Dench in the toilet" - the text would refer to the odour, not the stool.

An expression of anger or sexual longing

A particularly powerful and offensive odour usually associated with farting or number 2's. A stench, but on the next level. Mostly experienced following a night of drinking and consumption of nasty fast-food that you wouldn't normally eat unless drunk, a strong indication of bowel or other inner turmoil.