When a man is a slut to his cunt. The traits of a cuntslut are:
1. The cuntslut is pussy whipped.
2. After the first week of dating a cuntslut and his girlfriend will appear to be a married couple.
3. The cuntslut is not very intelligent. He won't have enough money to support his new girlfriend and will start taking many loans from friends.
Is Marc really driving 40 miles, after work, at midnight to see his girlfriend? He's such a cuntslut.