When you thrust too hard on your Bird whilst doing doggy style her leg goes numb and swells aggressively.
by Milkman123 March 08, 2017
When you pick up a randy prozzie or your girl from maccy's and give her the TREATMENT shes always needed and you do her so hard she gets a "Dead Leg"
Matt picked up his girl in his vauxhall corsa from maccy's and took her home and gave her the deadleg treatment
by FuckingReckz April 22, 2017