Likeocrite
A likeocrite is someone who "likes" posts on facebook that he/she actually dislikes because of an ulterior motive. Some examples include: "liking" the posts of a frienemy or "liking" something posted on your wall that you dislike because you have a crush on the facebook friend who posted it.
Lisa: Why did you "like" that music video that Amy posted on your wall? I thought you hated pop music.
Mark: I do hate pop music, but Amy's really cute.
Lisa: You are such a likeocrite.
Mark: I do hate pop music, but Amy's really cute.
Lisa: You are such a likeocrite.