bashment noun a dance party; a form of reggae music BARBADOS
— Richard Allsopp, DictionaryofCaribbeanEnglishUsage, p. 82, 1996
She’s brought her boom box on the bus and it’s pumping out the latest bashment beats from Jamaica, a new reggae dancehall style. — Karline Smith, LetterstoAndyCole, p. 138, 1998