A Dermot Sullivan is a person who is hott and brilliant at everything
look at him..!!!.yeh he's a Dermot sullivan!!
by personpersn September 08, 2008
A dermot sullivan is a tasty chocolate bar made from chocolate and caramel. It tastes so good that you just want to have it all day.
wow this Dermot sullivan is so good, it's also sexual.
by thats not my name September 03, 2008