hasty banana, phr. — Green’s Dictionary of Slang

hasty banana phr.

[a play on Sp. hasta mañana]

(US) goodbye.

1949		in Looney Tunes [animated cartoon] Well, nice meeting ya. Hasty banana! [HDAS].
1990		Eble Campus Sl. Apr.
1996		Eble Sl. and Sociability 79: Hasta manana ‘see you tomorrow’ inspires hasty bananas.
2005		posting at Athletics Nation 9 June 🌐 You are out of here! Hasty Banana, Sianara, Aloha, take the bats with you.