bompper

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"