You have a little mashup and wordplay going on right here. This is a creature from the Jim Henson movie, The Dark Crystal. And, of course, you have the song I’m Sexy and I Know It from LMAO. Now that you have the basics let me tell you where the real humor comes in. That bird is as ugly as sin. So, the implication that it is skekski is fall off you chair and roll on the floor laughing: FOYCROFL. I’ll right, maybe not that serious, but still.
Here’s the LMAO video although chances are you have contributed at least one of those 237 million views.
And here’s a clip from The Dark Crystal, which is not quite as popular:
Five Finger Tees did this thing for you.