Something that is sweet, almost to the point of being sickeningly so. As a derogatory descriptive, it means something that is affectedly dainty or quaint, or is way too sentimental.

In American English it often refers to a type of simple sweet pop music, but in British English it is used much more widely for things that are nauseatingly cute or precious. It comes from the way the word sweet sounds when said in baby talk.

The noise a sparrow makes the moment it dies.

someone who is adorably sweet almost too sweet, sometimes hippie like. It's also a spin-off from the indie style they like being unique but not "in your face unique".
Twee people always love to make people smile.
They usually dress mod-like and wear dresses, flowy shirts, band shirts, bows, plastic jewelry, and little kid treasures.
-Twee people are alowed to listen to anything they please! but they usually like chill music, indie rock, and techno.

Someone insanley cute and adorable. Probably too good to be true. They make everyone smile from ear to ear to the point that it hurts. They can make anyone laugh and know just what to say. They always dress nice and are absolutely gorgeous

Something that is cute ironically, with the irony taken out

-- of, or relating to, something of little value that can evoke such a delighted sound from someone of little intellect.

A Boy with only 1 working nut and a small penis!