When you like something on facebook just so that you wont have to write a comment, even though you dont think its funny at all .Mostly used to get out of long conversations on your or somebody else's status.
A's Status: had fun today at the park with @B :D
B Comments: yeah!me too.never thought we could have so much fun at the park!
A Comments: ikr! lol! and when we saw that guy doing that thing!!haha
*A gets bored and resorts to lieking the previous comment*