1. the use of irony,
it's ironic, don't you think?
sarcasm, ridicule, or the like,
sarcasm means I can ridicule you with wit.
in exposing, denouncing,
exposing lack of skill is an easy thing to do
or deriding vice, folly, etc.
when you clearly have none.
2. a literary composition,
you know, like a poem or a novel.
in verse or prose, in which human folly and vice are held up to scorn,
sometimes it rhymes, and sometimes it takes brains to get.
derision, or ridicule.
like a movie with big words.
3. a literary genre comprising such compositions.
such as, what this poem's genre is called.
There you go, a poem on satire, using the definition of satire. I'm so pro.