Top Definition
the act of a large, homosexual male 'slinging' his testicles into the face of an unconscious male for his own sexual pleasure

named 'sidcup slinger' due to the reputation of sidcup's secondary schools as safe havens for homosexuals
that guy's so hot. i'm gonna give him a sidcup slinger.
#sidcup #slinger #penis #oak #wood
by darius priest January 26, 2011
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