keep someone posted up

verb

keep someone posted up

verb

1

Dated Dated form of keep someone posted.

Take stock of things, and keep me posted up as to how I stand.1887, Francis Charles Philips, A Lucky Young Woman, page 337:
I don't know how the affair will end. Keep me posted up in the governor's symptoms, and write again soon.1903, P. G. Wodehouse, Tales of St. Austin's, page 28:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.