What is Russian Endurance Challenge?
1.
A game that requires a matured penis that is capable of producing a visible ejaculation. The object of the game is to endure the longest amount of time. The game is played with a minimum of three people where the players sit in a circle while vigoriously stroking the erection of the player to their right. The last person to ejaculate wins and the losers must lick their hands clean.
Carl: "Hey Frank did you hear Ryan lost that Russian Endurance Challenge last night?"
Frank: "Yea man, I was surprised he is so well endowed"
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For a female, Uncle Knuckles is the act of allowing an older male, preferably 10-20 years older than herself, to finger bang her pussy.
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Epithet for a man who has sex with other men, or sexually assaults other men, but only while in jail, prison,or a similar institution. ..