1. broken, ruined, or not working; out of order
Usage: informal; chiefly North American

1. with a loud explosive sound; with a crash or bang
Usage: informal; onomatopoeia

Examples

• My old laptop finally went kerblooey after five years of heavy use.
• The engine made a loud noise and then went kerblooey.
• When the fireworks exploded, they went kerblooey across the night sky.
• The washing machine is kerblooey; it won't spin anymore.
• The plan went kerblooey when the main speaker didn't show up.
• The balloon popped kerblooey right in front of the kids.