I never say hi hi on phone or CW. I just plain laugh, giggle or chuckle. On CW, I will usually say "ha ha".
I never say FB on either mode either. I don't see anything wrong with saying fine business on CW, but I cringe when people say "hi hi" and "FB" on phone.
The biggest thing that burns my goat is operators trying to sound cool by using Adam -12 phonetics. I will not answer CQ's from ops that do, even if it's desireable DX.
I only use standardized phonetics.
But that's just me and many people call me an ass.
Another ass I find amusing:
Truth revealed about ham radio - YouTube