What does auf jdn. losgehen mean? October 19, 2017 All Dictionary auf jdn. losgehen - German to English is down on sb. View more is getting at sb. become on at sb. in the future at sb. to travel at sb. to go for sb. to go on at sb. to operate at sb. to create upon sb. to assault sb. [attack] to show on sb. [attack] to charge at sb.