F.U.I.H.
F. U. I. H. is when you’re too wasted to listen and too proud to say you’re too wasted to listen.
F. U. I. H. I’m not ignoring you, I’m just too high to respond.
F. U. I. H. I saw the message but I’m too high to reply.
F. U. I. H. I’m high and I don’t care if you’re mad.