In British English slang, "sod" is used in a few different ways, all of which are generally considered rude or offensive:
1. As a term for an unpleasant or annoying person:
This is the most common meaning. Someone might call a fellow "stupid sod" or "nasty old sod" to express anger or annoyance towards them.
2. In expressions of anger or disrespect:
"Sod it," "sod you," or "sod that" are exclamations used to show anger or indifference towards something.
3. As a synonym for "chap" or "fellow":
In some contexts, "sod" can be used to refer to a person, often with a hint of pity or annoyance.
It's important to remember that "sod" is a vulgar term and should be avoided in formal or polite settings.