A cup

[Couch Potatoe]

One of the most perfect sizes for a girls breasts.

[Tina]

The breast cup size which is of measurement A. Girls may be made fun of being flat-chested but actually they are the best-looking tits. Perfectly fits in your hands and very cute when you cum on them.

[Sarah]

The smallest bra size. Most often think its bad to have an a cup but its actually better. When youre in your 30s your boobs wont sag whereas bustier girls will.

[Donald Trump]

A cups are the best boob size! For everyone thinking A cups are small, they are actually very big, and you are jealous because youre either flat-chested or you have like big fat saggy boobs.