to use porn not belonging to yourself to get off
or essentially piggy backing on the porn some body else took the time and effort to find, purchase, or load
examples of porny backing include:
1. browsing old web
history you didnt leave
2. your
brother's stash
3. your
dad's stash
4. your lesbian sister's stash
guy 1 "hey did you see that great mag i got from my dads
stash!"
guy 2 "seriosly bro stop porny backing on your
dad its nothing but over weight black chicks eating
pie"