1. a sword with a wide blade, used for cutting rather than thrusting.
2. a thick cock of substantial girth, one whose cross-sectional shape is elliptical, and not circular, thereby providing more surface area for vaginal contact with less required volume of blood.
3. One who calls Danny Boy.
"I cut off his cock with my broadsword!"
"Heidi, don't you want my broadsword inside you?"
"Broadsword calling Danny Boy. Broadsword calling Danny Boy."