Choaties means: Choate Rosemary Hall is a preparatory school in Wallingford that educates students. These students are referred to as “choaties” by those who reside in Wallingford and the students from other nearby preparatory schools. “Choatie” is an abbreviation for “Choate student.” Wallingford is quite annoyed by the “Choaties.” They are often viewed as overly wealthy brats who crowd the local shops. Crossing the streets can also lead to traffic jams throughout the day. They often cross roads between classes and in the afternoon to enjoy a leisure activity. (in Community Dictionary, added by Umlaut)