The act of having a person lying face down and then mounting for typical anal incertion. Then canoeing your penis between the butt cheeks in a repetitive motion while never actually inverting into to butt hole.
Chuck smiled as Bruce was top dogging him in front of the Dream Team. Top dogging is the sexual act of canoeing you penis between the butt cheeks in a repetitive motion.
Carla went shopping with Dave and when Carla saw Troy she went off with him and left Dave. Dave says to Carla that night "you need to stop dogging out on me".
This is when an individual, typically male, thinks they have a chance with another individual, typically female, so he follows her around like a lost puppy dog thinking that he will get some, when in fact he is merely cock blocking another individual from getting any.