It is "to hype oneself", in the sense of promoting oneself, of proclaiming one's virtues and values, usually to achieve a goal. It is formed by the prefix auto- ( "by itself") and bass drum (in the sense of instrument to attract attention) or perhaps pomp ( "boato") , which has some meaning as "bomb". See also give kick drum .
* Only one "like" per meaning and day, the more "likes" the meaning will appear higher in the list
