The flight was overbooked, and I was the first to 'be bumped'. [=my seat on the flight was the first seat to be given to someone else]
His career hit a 'bump' in the road. = His career hit a road 'bump'. [=something happened that slowed the progress of his career]
The airplane landed 'with a bump'. [=the airplane went up again and then down when it hit the ground]
(..) It was. It is now an antique. This is what will be keeping me alive for the foreseeable future. I'm swapping it up for an upgraded unit, and I just ran into a little speed bump. - Speed bump, what does that mean? - It's nothing. It's just a little snag. There's an exposed wire under this device. (..)2008 Iron Man