I’ve seen this used on several message boards to derail overdone threads. Like when a newbie starts a thread on a topic that’s been done to death, an older poster would reply “I like cheese” (sometimes including an image of cheese) to derail the thread before it devolves into the same old tired discussion/flamewar.
There’s an Urban Dictionary entry for this phrase:
I’m not sure of the origin of this, but does seem meme-like to me. Thoughts? (I figured I should ask here instead of creating a poorly-researched entry that would likely be deadpooled.)