Lookups spiked on August 27, 2012.
Mitt Romney accused President Obama of running a "vituperative" campaign.
Vituperative means "containing or characterized by verbal abuse." Synonyms and related words include abusive, scurrilous, vitriolic, malicious, spiteful, and various others that might be used as labels by either party during the Presidential campaign.
Vituperative derives from the Latin vitium ("fault") + perare ("make").