The adjective given to a group of three friendly individuals in a non-academic high school class. The tulumptuous trio features two good friends and a third "casual" friend who is rarely associated with outside of the classroom.
The trio is ideal for laughing at the pointlessness of the class. There is also the little known "fourth man" who sits slightly in front of the tulumptuous trio and adds occasional funny comments at the discretion of the tulumptuous trio.
A booty (typically belonging to a female) that is round, plump, and voluptuous, hence the name "Pulumptuous." You can tell if a booty is pulumptuous if it looks like a cherry.
Miss-spellings include: polumptuous, polomptuous, pulomtuous, pulumtious, and pulumptiuous.