wavy adjective slang stylish
You can be wearing wavy garms or wavy kicks.
[Heard in conversation (UK teens) 05 Jul 2015]
basic adjective informal unattractive, unpleasant and unsophisticated
Festival headdresses. Basic is the only word applicable here. [The Guardian (UK broadsheet) 04 July 2015]
calm! exclamation slang good; cool
‘Your ticket’s arrived.’ ‘Calm!’
[Heard in conversation (UK teens) 05 July 2015]