An informal substitute for all three correct variations of their/they're/there.
Ther is useful for people who are A) too lazy to type the formally correct word, B) don't know the difference between the formally correct words, C) type too fast to type the formally correct words, or D) frequently misuse and mix up the formally correct words.
Ther is comprised of the four letters common to all three formally correct variations.
short for afro weather. it is a type of weather where no matter how much you straighten your hair the second you walk outside your hair turns into a afro. usually when it is humid outside.
Girl 1: i straightened my hair this morning and now its all puffed up like an afro!
Girl 2: yea i know, its the Fro-Ther.