Quick question, if someone said, "Back off, Worf," to a kind of big, scary guy with a serious scowl, using the name Worf in lieu of the persons' real name. Would you know who was being referenced?

Quick question, if someone said, "Back off, Worf," to a kind of big, scary guy with a serious scowl, using the name Worf in lieu of the persons' real name. Would you know who was being referenced?