exclamation

used as an expression of good wishes on parting; goodbye.

cheerio, see you on Saturday

goodbye,farewell,adieu,check you,hooray,au revoir,auf Wiedersehen,ciao,adios,sayonara,vale,bye,bye-bye,so long,see you,see you later,catch you later,cheers,ta-ta,ta-ra,later,laters,pip pip,toodle-oo