Lawyer-up Definition

verb

(intransitive, chiefly US, informal) To exercise one's right to legal representation, especially on the occasion of refusing to answer law-enforcement officials' questions without the presence of such legal representation.

Lawyer up, delete Facebook, hit the gym.
Wiktionary
(intransitive, chiefly US, informal, business) To conduct matters in accord with legal formalities or so as to avoid legal risk.
Whenever we do business with those guys, we lawyer up to protect ourselves.
Wiktionary
(informal, business) To arrange in a way reflecting legal advice.
By the time we finished lawyering up the agreement, we didn't want to sign it.
Wiktionary