Banana phone

From Thikipedia

Ding-a-ling-ling-ling-ling-ling-ling-ling! Boo-ba-doo-ba-doop! Boo-ba-doo-ba-doop! Ring ring ring ring ring ring ring Banana phone Ring ring ring ring ring ring ring Banana phone I've got this feeling, so appealing, for us to get together and sing. Sing!