Bompping is when you want to mess with pre-planned arrangements. Bompping is like a game for some people, certain individuals feel like they are winning because they can get people dressed up for a party, just to bompp it at the last minute.
Cool guy 1: "Hey dude, watch me bro as I totally bompp this party after getting Jackie to say she will go to the party"
Cool guy 2: "No way dude, you can't do that, Jackie is totally the hottest girl as school, you will get like so many bompping points bro"
-Cool guy 1 bompps the party-
Jackie: "Dude, that was totally not cool. I'm never going to a party at yours again"
New Kid from Romania: "Seru na tebe, vypadáš jako nakládané praseÄà klusáky"
A bompper is someone who messes with pre-planned arrangements repeatedly, it takes a certain individual to be like this and they will be identified quickly.
Similar to the word bompping, see for more details.
Cool guy 1: "yo bro, you coming to the party at Stacey's on Friday? "
Cool guy 2:"man, you really think that will happen. You know Stacey's a total bompper bro"