Nice night
An expression of farewell used when parting at night or when going to sleep, to have a better night
He: Good night & sleep well
She: Nice night dear
She: Nice night dear
Nice night
Also when wishing someone you know is going to get laid tonight.
He - I'm going on a date tonight
Friend - Have a nice night bro(wink wink)
Friend - Have a nice night bro(wink wink)