Sweet FA
Definition 1 of 1
Pro Tip 1/3UK Slang
This phrase is British slang and could be confusing outside the UK. 
When I mentioned 'sweet FA' abroad, people were puzzled.
Pro Tip 2/3Potential Rudeness
'Sweet FA' might sound cute but it's a euphemism for a rude expression. 
Mom scolded me for saying 'sweet FA' at the dinner table.
Pro Tip 3/3Informal Contexts
Use it only in casual or informal situations, not in formal writing or speech. 
At the pub, everyone laughed when I said I earned sweet FA last week.