kiss–off 
/ˈkɪsˌɑ:f/ noun
plural kiss–offs /ˈkɪsˌɑ:f/ noun [count] chiefly US, informal : a quick and rude way of telling someone to go away
▪ The song is a kiss-off to his ex-girlfriend. — see also kiss off at 1kiss
▪ The song is a kiss-off to his ex-girlfriend. — see also kiss off at 1kiss
