Definition of "Lindy"

Lindy herself hated the name Lindy. She said it sounded like a girl in pink gingham. At the beginning of this school year she'd started making all the teachers address her by her full name, Linnet.

2004, Anne Tyler, The Amateur Marriage, page 105

"These damned Lindys!" bubbled Janice. "Don't they play anything for old married folks?"

2002, Herman Wouk, War and Remembrance, page 234