A completely awesome guy who is loved by all, girls want
to be around him, and guys want
to be him. Kieran's have large
penis's and often find it hard
to stay faithful to one girl as there are so many offering themselves up to him.
Girl 1: Oh my god check that guy out
Girl 2: Yeah, he's a kieran.
Girl 1: Oh, he must have
a big dick then, let's dance naked around him and have
sex with him.