go kablooey

phrase

variants or less commonly go kablooie or go kerblooey

1

informal : to burst violently : explode

What plays best of all, of course, is a spaceship going kablooey all over the screen.

—Tad Friend

So is this something homeowners should consider? A spate of municipal water pipes going kerblooey last spring might prompt some to think so.

—David Lazarus

2

informal : to suffer complete failure, destruction, or ruin especially in a sudden or spectacular way

One of several prize prospects of the mid-80s, he tried a comeback with the Rangers after his career went kablooey.

—Kevin Sherrington

… went public … just a few months before the technology-stock bubble went kablooey.

—Scott Barancik et al.