The exact coiner of the phrase is unknown, but it exploded on Japanese anonymous message boards (like 2channel and later 5channel) around the mid-2000s. It emerged during the aftermath of the "Lost Decade" (1990–2000) and the subsequent "Lost 20 Years" of economic stagnation.
Another viral tweet reads: “The economy is a bucket. There’s a hole in the bucket. Dear ojisan, please sit in the hole.” ojisan de umeru ana english
Thus, the complete image: