ˈjump-up BrE AmE noun [uncountable]
a type of popular music from the Caribbean with a strong regular beat, or a party, event etc where this music is played:
jump-up kids (=young people who like this type of music)
ˈjump-up BrE AmE noun [uncountable]
a type of popular music from the Caribbean with a strong regular beat, or a party, event etc where this music is played:
jump-up kids (=young people who like this type of music)
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012