Many comedians and humour

Humour

Humour or humor is the tendency of particular cognitive experiences to provoke laughter and provide amusement...

 writers have made use of, or invented, units of measurement intended primarily for their humour value. This is a list of such units invented by sources that are notable for reasons other than having made the unit itself, and of units that are widely known in the anglophone

English language

English is a West Germanic language that arose in the Anglo-Saxon kingdoms of England and spread into what was to become south-east Scotland under the influence of the Anglian medieval kingdom of Northumbria...

 world for their humour value.
These units may or may not have precise objectively measurable values, but all of them measure quantities that have been defined within the S.I.