The act of reaching underneath another's armpits and interlocking one's hands behind the victims head...it is said that the name was given because Nelson Mandela himself gave many young juvenile delinquints Full Nelsons during his Boot Camp.
Nelson Mandela: "It's a fullnelson...bitch is a pun"
A variation of the full-nelson wherein enough pressure is placed on the back of the captive person's head so that they are bent over at the waist and then violently dry humped.
Even if he wanted to, Barry couldnt escape Ryan's texas full nelson