To trick someone into watching a Rick Astley video, commonly used on gaming forums when asked for proof of a game/movie trailer or any other type of video evidence.
I asked bob to see the Halo 3 trailer but instead he Rick Rolled me.
Deceiving a person or people to somehow watch, or see the "Never Gonna Give You Up" video by Rick Astley.
Rick Rolling can also be a real life act of the music clip - normally by playing the song and having an impostor sing or dance to the video. Thus "Rick Rolling" the unsuspecting audience.
It is popular on video's that promise exclusive footage - such as a GTA4 gameplay, Or Halo3 exclusive.
Someone just came into the stadium dressed as Rick Astley and danced, while the music was playing. We all got Rick Rolled.
Or
Clicking the link to a video of Rick Astley's "Never Gonna Give You Up", thus being Rick Rolled.
When someone puts a missleading title on a video on Youtube that halfway through switches to the music video "Never Gonna Give You Up", by Ricky Astley. Usually done right before an anticipated scene in the video.
I wanted to watch the video of the Sneezing Panda, but right before it sneezed, I gotRick rolled.
Ok so it basically means you got tricked into thinking you would watch a good or badvid. People do this because well the singer of this was kind of off key i guess. But i personally like this song.
Hey, come check out this cool vid. *looks at it but sees rick astley* HA YOU JUST GOT RICK ROLLED SONNN!!!!!!!