Answer:
When someone uses this acronym, you know you've got to pick up the pace
What body part is pronounced as one letter but written with three, only two different letters are used?
I am neither a guest nor a trespasser in this place. I belong that belongs to me. Where is it?
A person who chews the ends of their fingers
What has keys but no locks, Space but no room, You can enter but you canβt exit.
My days are numbered. What am I?