My Disappointment Is Immeasurable refers to a quote from TheReportOfTheWeek said as he reviews Popeyes Cheddar Biscuit Butterfly Shrimp. After the quote appeared online, a screenshot was used as a reaction image and the text was used as a copypasta expressing disappointment.
On July 4th, 2017, TheReportOfTheWeek reviewed Popeyes Cheddar Biscuit Butterfly Shrimp. After taking a bite of the shrimp, the host says “My disappointment is immeasurable, and my day is ruined.” The video has gained over 515,000 views (shown below).
The following day, a screenshot of the moment was posted to /r/TheReportOfTheWeek where it gained over 210 upvotes. On August 14th, YouTuber Mortienus uploaded the isolated clip to YouTube, gaining 440,000 views.
On October 6th, 2017, a screenshot of the moment with the dialogue was posted to /r/me_irl, gaining over 2,100 upvotes (shown below, left). The screenshot would later be used with different captions to express disappointment. For example, a post on /r/meirl from December 8th, 2017 with a caption about pets gained over 1,100 upvotes (shown below, right).