Sam-Naw man I dont think she likes you.
Larry walks over to the girl and tries to talk to her but Sam keeps interrupting the two's conversation.
Larry-Stop Cop Blocking Dawg
May also refer to the game of Copblocking, where players "rat out" a cop's speed trap to would be speeders, preventing the cop from giving any tickets.
Yesterday Jon and I went copblocking for a couple of hours. Shut down this one po-po for a good thirty minutes, bitch didn't write a single ticket.