An often misused term. Correct use would be blues crash, see blues crashing. Which is blues dancing in a public place not meant for dancing.
Hey dude are we going to blues bomb the mall tonight? Dude stay up with the lingo, its blues crashing.
When you are interacting with a swing dancer and you suddenly discover that their preferred style of dance is creepy and their main motivation for dancing is to try and touch you in an inappropriate way.
Things were going well until she dropped the blues bomb