Overview
Sweets (スイーツ, suwītsu) are a sweet snack mainly made up of sugar. In British English, a sweet food eaten as a snack or dessert. It is the equivalent of desserts in American English.
In Japan, the term sweets was introduced around 2005 by women's magazines and other media as sweets for adults to taste and eat, such as high-end western-style confections made by famous pastry chefs.
The word sweets eventually came to mean sweet confections in general.
Net slang for Sweets
In Japan it refers to women who read women's magazines that pretentiously refer to desserts as sweets, and are misled by the information in such magazines. It is usually used with a sense of ridicule or irony.
Such women are also sometimes referred to as sweets brain.
Nowadays, it is often followed by "(lol)".
For a more derisive nuance → Sweets (Net Slang)