The superlative in a class of objects. A non-profane, usually last second alternative to the shit when you are compelled to censor oneself in polite company.
When Jesus walked into Jerusalem, he knew that, as far as prophets go, he was it.
by Darin January 21, 2004
To have sensual relations with another mammal.
Did you do it to it.
by Yadseut December 11, 2005