(something that bulges out or is protuberant or projects from its surroundings; "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")
(swell or protrude outwards; "His stomach bulged after the huge meal")
(bulge out; form a bulge outward, or be so full as to appear to bulge)
(bulge outward; "His eyes popped")
(cause to bulge or swell outwards)