kazoom

An abrupt or explosive zooming noise; the sound of something powerfully speeding by.

Zap is a comic-book hero - Zap! Powie! Kazoom!; why have you retired, Zap, when we need you so much?

I saw a white light flash from side to side and I heard a loud buzz zooming in my head - kazoom, kazoom!

A (large) female breast.

“What’s a mambo?” “You know, whamos, kaboopies, chugamuggas,” amplified Hootman, making jiggling motions with both hands in front of his narrow chest. “He must mean,” realized Mr. Giggle, “mammywammies, chubbles, kazooms.” “What kind of nerfing act do you think we’re doing. We’re beloved by millions of frapping little kids. Do those little loyal-hearted tykes want to see kazooms?”

Loggin flips the magazine onto the desk. “Look at them kazooms! You ever see this shere—Cosmo-politan? I found it in the lobby. Fine piece of titty on the cover, but ain’t worth a turd on the inside.[…]”