Fight souvenirs are physical reminders of a physical altercation. The four solutions to the crossword are SCAR, BRUISE, FATLIP, and SHINER. A SCAR is a mark left on the skin after a wound has healed. A BRUISE is a discoloration of the skin caused by a blow or impact. A fatlip is a swollen lip caused by a punch or other impact to the face. A SHINER is a black eye, which is a dark discoloration of the skin around the eye caused by a blow to the face.