Purple text on a green background
HEWIC-MARVIC Brooklyn, N. Y. 11222
Ad lib is an early 19th century abbreviation of ad libitum, a phrase meaning "as much or as often as necessary or desired" or "with free rhythm and expression." Ad-libbed or ad-libbing in more modern times means to improvise a speech and is a term used in comedy schools and clubs for when the comedian tells jokes off of the memorized and performed script.
Oxford Languages and Google - English | Oxford Languages. (2021). Retrieved 22 February 2021, from https://languages.oup.com/google-dictionary-en/