look up any word, like cleveland steamer:
 
2.
When two male parties consciously decide to switch female companions at a finite point in the evening.
Jonathon was macking on Susan Friday night. However around midnight there appeared to be a Cincinnati switch as his friend Esteban moved in for Susan, and Jonathon decided to game on Susan's friend Mary whom Esteban was previously chatting with.
by twppinainteasy April 08, 2011
 
1.
When a woman tries to drunk rape you. You stick a lit stick of dynamite in her vagina and yell "Cincinnati Switch!" and jump out of the nearest window.
Colleen was being a bitch so i pulled a Cincinnati Switch
by Kansas City Shuffler December 06, 2010