Ohio Sandwich

When you are making out with someone and vomit in their mouth.

Oh boy, i totally gave them an ohio sandwich last weekend and they just dm'd me asking if im free again tonight!

Oh boy, thats gross! Were they into it or something?

Ohio ham sandwich

When you are receiving a mouth hug and the person giving the mouth hug vomit on your genitals.

Sally was giving John a BJ and all of sudden she stop. John asked Sally "why did you stop?" Then Sally does a Ohio ham sandwich on John's junk. Both of them let out a long, Eeeew.