The phrase "little teacup" refers to something small or delicate, like a teacup. It is often used to describe a person or object that is dainty or tiny in size. Full definition
We created these hanging love hearts out of newspaper, several chalkboards, I sourced cute little teacups and jars from vintage shops, I found an old suitcase and converted it into a wishing well, and created a makeshift bar! (boho-weddings.com)
I adore tiny succulents and have a few little teacups that would be perfect. (theinspiredroom.net)
We are small breeders whose goal is to produce healthy, high quality little teacup size Yorkie puppies for sale. (elvisyorkshireterrier.com)