Many people have made use of, or invented, units of measurement intended primarily for their humor value. This is a list of such units invented by sources that are notable for reasons other than having made the unit itself, and that are widely known in the anglophone world for their humor value. == Systems == === FFF units === Most countries use the International System of Units (SI). In contrast, the furlong/firkin/fortnight system of units of measurement draws attention by being extremely old fashioned and off-beat at the same time.One furlong per fortnight is very nearly 1 centimetr...