pompatus noun2 •One who is pompous or splendid.She loved the way the lecturer stated it, offhand, but with the air of a pompatus. — 2000 •Pomp, ostentatiousness, or spectacle.It could be a whang-dang-doodle, a cloche hat made out of coyote fur, or a phylactery testifying to the pompatus of love. — 2004