A slice of fruit, veg or meat deep fried in batter. e.g. Pineapple fritters Potatoe fritters Spam fritters

An apple fritter is a type of fritter made with pieces of apple deep-fried in batter and served covered with powdered sugar, honey or cinnamon.

My mom said the state fair had the best apple fritters to eat.

(In this case, fritter is a food)

My mom said I should not fritter my time away, by reading comic books all day.

(In this case, fritter means "to slowly lose or waste")

I ate a fritter before going to school.

(In this case, fritter is a food)

His sanity frittered away while he has working in the mines.

(In this case, fritter means "slowly disappeared")

In the UK, you can say "into a fritter" which means to do something so much, using lots of energy, that now the energy is all gone and so it is nothing other than a burnt item.

"He worked himself into a fritter for that job promotion"

"She worried herself into a fritter that she fainted when she heard the results"

This though my be old-fashioned English.

It is twitter.