At the point where a steam roller crushes a persons legs to the hip. The steam that is applied to the rolling apperatis that comes into contact with the pavement and prevents pavement bonding to the apperatis sears the humans bipodals which tends to create a distinct smell which is usually refered to as smelling like bacon. This term is refered to as Bacon Legs.
Looker-onner # 1 -
"That taxi driver's flattened legs sure had the arroma of some fine bacon legs."
Looker-onner # 2 -
"It was so arrousing, yet I lust for a BLT samich."