bump up verb6 •To increase something suddenly. •To promote a person to a higher grade. •To give a more prominent place to; to advance position in queue. •To bump into something; to collide with something.It bumps up on the wall here. •To figuratively collide with something; to come into conflict over something.The legalization movement bumped up against political realities.The program is bumping up on its fiscal cap. •To transfer (recorded footage) from a narrower to a wider tape format. formsbumped up · bumping up · bumps up