| Answer | Crossword Clue |
|---|---|
| PUN | So-called "lowest form of humor" |
| PUN | So-called "lowest form of wit" |
| PUN | "The lowest form of humor," per Samuel Johnson |
| PUN | According to Oscar Levant, it's "the lowest form of humor--when you don't think of it first" |
| proper | Strictly so called; in its true form |
