They have a bone to pick with this crappy dog mom!
A mystery pet owner apparently has been refusing to pick up her pup’s poop on the Upper East Side — so a barking-mad neighbor put up signs to shame her into cleaning it up.
Fed-up residents are making a stink over the careless repeat offender, who most recently left her medium-size mutt’s steaming pile in the middle of a crosswalk Friday, according to a witness…