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1. One whom holds an intense passion or desire for one of the same sex. May at times come across as obsessed or uncontrollable.
1. a) "Oh my god! Look at that guy humping all those men over there"
"He is Leighlan'ing"

b) "That man tweaking his nipples whilst jerking off looks like a complete Leighlan"

c) Raging homosexual
by Maree VonBerg September 21, 2011