Rick Trolling is a combination of rick-rolling and trolling. Through rick trolling, one may divert the focus of conversation using rickrolls. Usually done in a similar manner to drive by rickrolling, or making lots of posts to many threads with the specific intent of rickrolling everyone in every thread.
Joe: Hey guys i need info on brushless hard drive motors
Bob: Hey look! youtube.com/rickroll
Joe: Ricktroller >_>
Example of Rick Trolling