Chiefly Australian & NZ informal noun meaning a small snack or appetizer; usually occurs in the plural form 'nibblies'.
Could you bring some nibblies to the barbecue this afternoon?
Peux-tu apporter des grignotines au barbecue cet après-midi ?
Informal adjective describing food suitable for nibbling or served in small bite-sized pieces.
They set out a few nibbly cheese cubes and olives before dinner.
Ils ont servi quelques cubes de fromage grignotables et des olives avant le dîner.