In Palm Sunday, what did Vonnegut mean by the word "twerp?"

I came across your question and was intrigued by it. Given
that I had not read the work, I wanted to find out what Vonnegut had meant by the word
"twerp". I know what I believe it to be, but with Vonnegut, who
knows.

According to an interview conducted between an
"interviewer" and Vonnegut himself, in Palm Sunday: an autobiographical
collage, Vonnegut states that he uses the word twerp because it is a word not
a lot of people are familiar with. Given its misunderstood meaning, today it exists as
an insult, Vonnegut states the true meaning of the
word:

It's a
person who inserts a set of false teeth between the cheeks of his
ass.

Vonnegut goes onto
restate his answer by changing it to "his or her" given he has been routinely charged
with offending feminists by excluding the pronoun "her" in
language.

So, what better way to define a word than by the
author's own definition of it? Vonnegut provides a very straightforward and no-nonsense
meaning of the word "twerp".

That being said, a more
understood (and known) definition of the word twerp is someone who is considered silly
or insignificant. (This definition is by far the more accepted one.) One could justify
Vonnegut's meaning of the word by justifying his definition by use the more universal
one.

One could go about this by concerning them self with
the type of person who would set a pair of false teeth between the cheeks of his rear
end. In expanding on his definition, Vonnegut states that the teeth are placed there
because it turns them on to bite buttons off of taxicab seats. Therefore, what kind of
person would do this? A person who others would consider silly.