It bulged in the pocket of my Dockers and as I loaded our minivan I noticed my wife noticing it.
c.1200, "wallet, leather bag," from Old French bouge, boulge "wallet, pouch, leather bag," or directly from Latin bulga "leather sack" (see budget (n.)). Sense of "a swelling" is first recorded 1620s. Bilge (q.v.) might be a nautical variant.
"to protrude, swell out," 1670s, from bulge (n.). Related: Bulged; bulging.
battle of the bulge