swell out
to bulge outward; to expand outward. The sides of the box swelled out because it was too full. The west wall of the garage swelled out just before the building collapsed.
swell up
to enlarge; to inflate; to bulge out. I struck my thumb with a hammer and it swelled up something awful.
swell with something
1. Lit. to expand from a particular cause. My knee joints swelled with arthritis, His nose swelled after it was struck by the door.
2. Fig. to seem to swell with a feeling such as pride. His chest swelled with pride at the thought of his good performance. Ted swelled with pride at the announcement.
*swelled head
Fig. a state of being conceited. (Typically: get ~; have ~; give someone ~.) John got a swelled head after he won the prize. Don't get a swelled head from all this success.