What is How've?
1.
A contraction of "How have"
It's not actually proper grammar but whatever.
If I have to explain how to use this word, you're an idiot. Here it goes anyways:
(Person A) "How've you been?"
(Person B) "Did you just contract "How" and "Have" together!
Grammersphemy !
See
Random Words:
1.
Holler when you do.
Call me when you do.
Yadadaholler when you finish that drawing.
See yadada, holler, yadadamean, yadadaholla..