swellbow
n.— «Burnquist has broken 19 bones over the years and endured countless cases of “swellbow,” from smacking his elbows.» —“The Xs and the Ohs Athletes’ expertise was needed to turn action sports thrills into an Imax ride” by Scott Sandell Los Angeles Times (F36) May 9, 2002. (source: Double-Tongued Dictionary)