When someone hides an invisible Facebook 'like' button over the top of what seems to be an innocuous link such as the play button of a YouTube video.
Dude, you totally got like-jacked! You tried to watch a slutty video and popped up on your profile. You're such a douche.
by HighNoonRiders April 11, 2011
1 more definition
To write a comment on Facebook that receives more likes than the original post.
Ray likejacked Boz’s photo with that epic comment, hahaha.
by Soleio January 27, 2011