nickname for the waspy island of nantucket which consists of the following- posers, wannabe preps, beach jeep owners, millionaires, fugly whores, and other self-absorbed people.
MV girl: i go to martha's vineyard in the summer.
Nantucket girl: lucky bitch! im stuck going to nanfucket again!
MV girl: dont hate, congradulate!
Nantucket girl: yes mam.