- a comrade in a drinking bout. BOON evidently corruption of BON.
More About boon-companionPosition in the dictionary: 293 of 4022 slang words.
Next words in the dictionary: booze, boozing-ken, boozy, bore, bos-ken, bosh, bosh-faker, bosky, bosman, boss-eyed
Previous words in the dictionary: boom-passenger, boom, books, bookmaker’s pocket, booked, book, booby-trap, bonnet, boniface, bones