(Internet slang) Initialism of and it's not even close.

There are more developments yet to come; one should not presume to know the outcome of an event which is still in progress.

(medicine) A painful constriction of the base of the fifth toe, frequently followed by autoamputation, occurring predominantly in black Africans and their descendants.

Quality of being Ainu.

(eye dialect, informal) Ain't you.

A surname.

When it comes to sexual satisfaction, penis size doesn't matter, but technique does. / (more generally) The tools you use to accomplish a goal are not as important as what you do with them.

Alternative form of denial is not a river in Egypt

Alternative form of if it ain't broke, don't fix it

A surname from Old English. / A unisex given name transferred from the surname.