n. 1) (business speak) To
make repeated, hearty promises during telephone conversations, but
never record them in any correspondance.
'Mullengered' - the act of being caught-out by Mullengering, when the offendee spends an hour searching in vain through emails for any hint of the promise
made.
"I could have sworn that
Acme promised there would be no extension to lead time, but
now I can't find a single email with the
delivery date in, it seems we've been well and truly Mullengered!"