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

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

(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.

(UK, idiomatic, humorous) Expresses disbelief.

Alternative form of it's all Greek to me

An expression of anger or disgust uttered toward someone who offers an apology after causing great harm.

People tend to take things for granted while they are available.