Brick Roll

When what you think is a link to something you want to see actually directs you to a video of Brick Astley singing "Never Gonna Give You Up", ( Animated Lego version )
It is most often used for Lego-related things.

A: Hey bro The Lego Movie 3 Teaser trailer is out, did you watch it?

B: No...
A: Here, take a look www.youtube.com/watch?v=2942BB1JXFk
B: Can’t believe I just got Brick Rolled