collabo noun 2verb 1forms 3 noun2 •(slang) A collaboration with another artist, in urban contemporary music. •(slang) A collaborator; a traitor."Look, our doctor's been arrested. And the veterinarian, well, he's a collabo. It's too dangerous for him to stay here. We could all be killed." — 2020 verb1 •(slang) To collaborate with another artist, in urban contemporary music. formscollaboed · collaboing · collabos