To pull a reindeer face.
A reindeer face is similar to a duck face. It is a particular facial expression used in photos in the aim to look sexually appealing.
It works.
Did you see how hard Ashley was reindeering in her new profile picture?
When someone "likes" something on Facebook because it is amusing due to a personal joke between friends or in a manner of sarcasm and mocking, not because they actually genuinely like the photo, status or comment.
Or more simply, someone "likes" something to be a dick.
Similar to "dick face" and "dick comment".
Yo Alvin, I saw your dick like on that photo of me reindeering, not cool man.