1 definition by KillPixie
A word to describe a boy who when enters a realtionship, becomes obsessed with the girl to an extent where every second word from his mouth and social network update is about how much 'love' he feels for her.
Fred looks at facebook and sees, for the fith time in a row
"Bill: I love you Colleen, you're my one and only!"
Fred - "Jeeze, that guy is such a jahn *hides from newsfeed*"
"Bill: I love you Colleen, you're my one and only!"
Fred - "Jeeze, that guy is such a jahn *hides from newsfeed*"
by KillPixie September 3, 2010