John Ohh 

the lead singer of the maine, the best band. ever. john cornelius o'callaghan, but to his fans, john ohh. if said like "john..ohh!" it sounds like you're having sex. and who wouldn't want sex with john ohh?!

Jonas Brothers fan girl: Who is John Ohh?
Beautiful perfect The Maine fan: you're a fucking nuthead. i'm not even going to tell you.
Jonas Brothers fan girl: please?!
The Maine fan: john, ohh!

Jonas Brothers fan girl: you sound like you're in orgasm. ohmigawd nick jonas!
The Maine fan: you're a fucktard.

John Ohh by misguiidedghost July 10, 2010

John Ohhh 

From Arizona, John Ohhh (short for John O'Callaghan),
is an extremely attractive & sexy member of the male
gender who sings for the amazing pop-punk/ alternative band, The Maine.

At a Maine concert you will hear fans screaming "John OHHH!"

John Ohhh by ILTM CSWS April 1, 2009