Philadelphia Snowplow
A sex act wherein a male while engaged in sex from behind doggy style with a female, grabs the female's legs and pulls them into the air in the start of the gymnastics exercise "wheelbarrow," and runs her into the wall.
"While she had her eyes closed and was resting her weight on her hands and knees i grabbed her legs up and walked her face into the nearest wall in a textbook philadelphia snowplow"