wipe (someone or something) off the map
To totally eliminate, eradicate, or destroy someone or something. The president vowed to wipe these terrorist scumbags off the map. Through our vaccination efforts, we've been able to wipe polio off the map.
wipe (something) off the map
To obliterate something. The dictator threatened to wipe our country off the map. They believe that the course of treatment they've developed could wipe cancer off the map. Many buildings were wiped off the map during the siege.