An A-Cup or lower in bra sizes.
So named for it resembles the cup-size of a barely pubescent girl.
Shakira often complains about being a loli-cup.
1. (noun) Another word for loli which is someone who enjoys under age Hentai.
2. (propper noun) A chain of Boba restaurants...
1: OMG! Did you see "pretty sisters" its teh best loli cup ive ever seen!!!
2: Dood lets go get sum loli-cup!