noun; the result of one female's attraction to another, characterized by the massive, uncontrollable engorging of the clitoris,and lewd, sometimes erratic behavior.
Holy shit, did you see Shahera pop that huge lezboner for Kristen?
The event of getting an erection while viewing a group of 2 or more lesbians participate in sexual activity (also including kissing). (This can be referenced to Tosh.O season 3, episode 5. When Daniel Tosh says that Black Swan gave him a Lesboner)
Heather and Sally started to get into it and every guy at the party got a Lesboner.