A vomit Cunt is an individual within a group of friends who cannot handle their alcohol and constantly vomits. A vomit cunt can also be the individual who vomited most recently at an event in which the friend group attended.
When someone proceeds to vomit and thus shoots out of the oral canal like a rocket. This causes the vomit to land about 6 feet infront of the person who has vomited
Dan: "woah dude did you see that Kyle just vomit rocketed ."
Tyrone:"yeah I saw that but that shi was fucking nasty."