Top definition
1. A person, who at the most inappropriate time, will say or do something that is a turn off to everyone within ear shot.

2. Add a few cans of loud mouth, and step away.

3. A social repellent to anyone around them.
1. Oh God, here comes the social claymore.......wonder what type of havoc they will reap on this occasion.

2. When he drinks he gets loud and OBnoxious.
by Maxperdiem May 16, 2010
Happy St. Patties Day!