boy: damn, girl, i can blow your back out girl: um, i don't think so, i have a soccer game in the morning and i'd actually like to walk
to fuck someone so good, they can't walk for a couple of days
"boy: damn, girl, i can blow your back out girl: um, i don't think so, i have a soccer game in the morning and i'd actually like to walk" What is the definition of "blow your back out"?