Contraction of it is. / Contraction of it has. / (dialectal, African-American Vernacular) There's, there is; there're, there are.

Obsolete form of its. / Misspelling of its.

(idiomatic) As good as claims or reputation would suggest.

(idiomatic) Used to express unconcern.

(idiomatic, sarcastic) Used to express impatience at the eventual occurrence of something that the speaker or writer considered to be long overdue.

(simile, informal) Of engaging in an activity: enthusiastically; to an excessive degree.

Synonym of like it's going out of style

(nonstandard) Contraction of it is not.

(idiomatic) I don't understand any of it; it makes no sense.

(idiomatic) If it makes no difference; if nobody minds; if it doesn't bother anyone.