a group of genuinely unintelligent girls who believe that they are popular, often the big fish in a small tank who wouldnt be able to survive in the ocean. a "tishy" group will appear attractive as a group, but individually each member is a total fat slag, they are delusional about their popularity to the extent where they dont realize everyone hates them

When you eat dirt for the first time and leave your family to build a shack in the woods