News Billie Eilish says she’s ‘incredibly offended’ by people who laugh at her Tourette’s syndrome tics May 22, 2022 Edward Segarra, USA TODAY Comments Off on Billie Eilish says she’s ‘incredibly offended’ by people who laugh at her Tourette’s syndrome tics During an interview with David Letterman, Billie Eilish talked about what it's like living with a neurological disorder.