- Language, especially language peculiar to a particular group or region; jargon or a dialect.
1913, Joseph C. Lincoln, chapter 12, Mr. Pratt's Patients:
- She had Lord James' collar in one big fist and she pounded the table with the other and talked a blue streak. Nobody could make out plain what she said, for she was mainly jabbering Swede lingo, but there was English enough, of a kind, to give us some idee.
language peculiar to a particular group or region
- I lick (up)
Conjugation of lingo (third conjugation)