If you don’t get it, consider reading the following about the “Success Kid” meme from knowyourmeme.com:
Success Kid is a reaction image of a baby at a beach with a smug facial expression. It has been used in image macros to designate either success or frustration. In early 2011, the original image was turned into an advice animal style image macro with captions describing a situation that goes better than expected.
Popular example of the Success Kid meme:
Hope it made you laugh!