I must be having my daily senior moment ..
It's how we pass along the BTDT stuff
que ? .. if it's not one of those naughty expressions .. if the latter please do PM the answer.
A bit like when I started out in airlines .. I had never heard the acronym EFATO, although I knew a modest amount about failures on takeoff .. I suspect that my then training captain thought me to be a tad dumber than he had presumed initially.