copulate, mate, couple, pair - make love; "Birds mate in the Spring"

damage - inflict damage upon; "The snow damaged the roof"; "She damaged the car when she hit the tree"

defile, sully, taint, corrupt, cloud - place under suspicion or cast doubt upon; "sully someone's reputation"

blemish, deface, disfigure - mar or spoil the appearance of; "scars defaced her cheeks"; "The vandals disfigured the statue"