outtell

[out-tel]

verb (used with object), out·told, out·tell·ing.

to outdo in telling; surpass in effect: so ridiculous as to outtell any comment.
to tell to the end; say completely: He outtold the tale to his amazed listeners.
to speak out; tell openly; declare: The guilty heart outtells its inmost thoughts.

Origin of outtell

First recorded in 1605–15; out- + tell¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

It would have served you right if they hadnt fished you outtell me all about it.
Boy Scouts in Glacier Park
Walter Prichard Eaton