n.

1. something that bulges out or is protuberant or projects from its surroundings;
   bump, hump, gibbosity, gibbousness, jut, prominence, protuberance, protrusion, extrusion, excrescence
   
   • the gun in his pocket made an obvious bulge
   • the hump of a camel
   • he stood on the rocky prominence
   • the occipital protuberance was well developed
   • the bony excrescence between its horns

v.

1. swell or protrude outwards;
   pouch, protrude
   
   • His stomach bulged after the huge meal
2. bulge out; form a bulge outward, or be so full as to appear to bulge;
   bag
3. bulge outward;
   start, protrude, pop, pop out, bulge out, bug out, come out
   
   • His eyes popped
4. cause to bulge or swell outwards;
   bulk