Means,
Parents on shoulder. It is used to tell the person you are talking to that your mom or
dad is around and/or looking, so they don't type anything that your
parents wouldn't want to see.
iSaBeLla<3: OMG i gave cody a bj last nite!!!
S.A.
R.A.H: pos
iSaBeLla<3:
wad was the answer to question 4 in the textbook for science?
S.A.R.A.H: ok my mom is gone
S.A.R.A.H: OMG realli how was it?!?!, was his dick big?
iSaBeLla<3: it was fucking
awesome! it was the biggest dick i ever seen!!!