KABLAAM! is the sound one's head makes when it is hit by either a train or a car that had explosives in it and got blown away and hit the head by accident.
That guy walked his girlfriend home the other day, and when they were kissing in front of her door, her dad's car blew up and hit the guy's head: "KABLAAM!" He survived, don't worry kids ^^'
by Linu June 23, 2005
by smails R us. April 1, 2005