Buh bye

[Mark Zuckerberg]

an informal expression used to say goodbye, see ya, bye etc.

[Tina]

A routine send-off. The origin is from the airlines, when the flight ended, and stewardesses bade farewell to planeloads of passengers as they filed out.

[Sonia]

Getting frisky with goodbye.

[Hina Muqadas]

normally used as a dismissive for a persons comments or an idea that is unwelcome or unpleasant. sometimes used after a look of disbelief.

[Cami]

a way of writing bye-bye (= goodbye) that emphasizes that something is ending, and often shows you are pleased about not having to deal with someone or something any longer :