When your crazy wild life is temporarily interupted by a grounding usally for somethingpretty wild, raunchy or badass.
Frankie: Dude Joel was so fucking wild at the partylast night he got cross faded, and fucked Cindy before completely trashing that guys mailbox!
Nate: Joel got grounded hahaha he's fucking wild though, he will be back.
Frankie: Damn fucking "Crashbomb" baby!
Typically known as a troll, someone who is so incredibly in awe with something they have to act as if they hate it. They come on message boards and troll, but in their hearts they would come running in a second.
The word derives from its two combined words Crash and Box. To Crashbox is to Crash the Box or Dive in the muff. When referring to person it is someone that is highly skilled in getting in a woman's pants.
Man I have to say taking home two women from that party last night made you a real Crashbox.