HRH is an abbreviation of His/Her Royal Highness. It's used a generally to refer to members of the Royal Family. For example, Queen Elizabeth is commonly referred to as "HRH, Queen Elizabeth".
DNA in text talk means "did not attend" or "does not apply."
I'll text you later.
BLAM mean
It means can't talk now
Before.
booty
Tomorrow
no problem
it stands for what
tyt
Si
It can mean anything that start with ctb ( :