The Bannatyne Manuscript gets its name from a young 16th-century Edinburgh merchant named George Bannatyne, who compiled the roughly 400 poems while stuck at home in late 1568, as the plague ravaged his city.
[UPDATE 4/7/2020: Kristin Uscinski, a medieval historian at the State University of New York, Purchase, wrote in to inform us of an even earlier appearance of the F-word in the English language, "Roger F$#%-by-the-Navel who appears in some court records from 1310-11. I always make sure my students are aware of good ole Roger."]
It's like poetry, it rhymes!
Note, if you read this earlier: