Definition of sea lawyer in US English:

sea lawyer

noun

informal
  • An eloquently and obstinately argumentative person.

    • ‘Of course, we'll never be rid of the sea lawyers, but we try to sit down and talk with the younger recruits and see what they think of it so far.’
    • ‘He's right at that - blast him - but he's too much of a sea lawyer; and I won't have any employee of mine telling me how to run my business.’