a funny one
A simile.
There is no definitive answer. Whichever episode you think is the funniest is the funniest.
Your mother is the funniest LOLcat.
A metaphor
As quick as a wink is a simile. ----
It is a simile.
it depends on what you think is funny. there could be a funniest commercial clip, a funniest wipe out clip, a funniest ..... so it depends on what you think is funny.
simile It is an example of a simile (uses like or as). A simile in itself though is a type of metaphor.
simile
the funniest president was John F Kennedy
Emilie bluedish she was the funniest person.
That is the correct spelling of "funniest" (most funny).