Definition of gooner:
(n) :
(soccer, slang) someone connected with Arsenal Football Club, as a fan, player, coach etc.
(n) :
An individual who practices gooning (a form of masturbation that involves edging for a long period of time).
(n) :
(by extension, derogatory) An individual addicted to sexual or sexualized content.
(n) :
(British, footballing slang) Alternative letter-case form of Gooner. [(soccer, slang) someone connected with Arsenal Football Club, as a fan, player, coach etc.]