A now famous everyday term for Marijuana, this colloquialism was coined by english schoolchildren just days after Mandela's release from prison on 11 February 1990, its highbrow nature and nonsensical link to the anti-apartheid South African jailbird meant it was a perfect code word when discussing your sweet mary jane. Frequently used in the teen soap opera Hollyoaks during the early noughties gave the phrase its noteriety, however it's covert nature was now lost due to the extreme popularity of the programme.
Let's get baked, i've got some gnarly Mandela
The most prestigious type of self gratification, a "mandela" is the act of masturbation while incarcerated. Due to the isolation and semi private room, the Mandela is a must for prison stays of any length. Named so aptly after Nelson Mandela who through years of jail time probably beat off over a speculated 100,000 times.
"Dude what did you do while you were in the drunk tank for 3 hours last night?"
"I just pulled a Mandela and passed out."